Home / 9,720,002.20-14,580,003.30-9,160,130.20

Finding the Fourth Proportional to 9,720,002.20, 14,580,003.30 and 9,160,130.20

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Solution

The fourth proportional to 9,720,002.20, 14,580,003.30 and 9,160,130.20 is: 13,740,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,002.20 : 14,580,003.30 = 9,160,130.20 : x
  2. Step 2: Convert to fraction form
    9,720,002.20/14,580,003.30 = 9,160,130.20/x
  3. Step 3: Cross multiply
    9,720,002.20x = 14,580,003.30 × 9,160,130.20
  4. Step 4: Simplify right side
    9,720,002.20x = 133,554,728,544,429.66
  5. Step 5: Solve for x
    x = 133,554,728,544,429.66/9,720,002.20
  6. Step 6: Final answer
    x = 13,740,195.30

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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.