Home / 30,126,853.80-45,190,280.70-26,347,717.80

Finding the Fourth Proportional to 30,126,853.80, 45,190,280.70 and 26,347,717.80

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Solution

The fourth proportional to 30,126,853.80, 45,190,280.70 and 26,347,717.80 is: 39,521,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126,853.80 : 45,190,280.70 = 26,347,717.80 : x
  2. Step 2: Convert to fraction form
    30,126,853.80/45,190,280.70 = 26,347,717.80/x
  3. Step 3: Cross multiply
    30,126,853.80x = 45,190,280.70 × 26,347,717.80
  4. Step 4: Simplify right side
    30,126,853.80x = 1,190,660,763,186,386.50
  5. Step 5: Solve for x
    x = 1,190,660,763,186,386.50/30,126,853.80
  6. Step 6: Final answer
    x = 39,521,576.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.