Home / 10,109,717.80-15,164,576.70-5,621,993.80

Finding the Fourth Proportional to 10,109,717.80, 15,164,576.70 and 5,621,993.80

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Solution

The fourth proportional to 10,109,717.80, 15,164,576.70 and 5,621,993.80 is: 8,432,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,717.80 : 15,164,576.70 = 5,621,993.80 : x
  2. Step 2: Convert to fraction form
    10,109,717.80/15,164,576.70 = 5,621,993.80/x
  3. Step 3: Cross multiply
    10,109,717.80x = 15,164,576.70 × 5,621,993.80
  4. Step 4: Simplify right side
    10,109,717.80x = 85,255,156,187,024.45
  5. Step 5: Solve for x
    x = 85,255,156,187,024.45/10,109,717.80
  6. Step 6: Final answer
    x = 8,432,990.70

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Double scale
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Similar ratio
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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.