Home / 12,900,523.59-17,798,714.05-7,317,850.71

Finding the Fourth Proportional to 12,900,523.59, 17,798,714.05 and 7,317,850.71

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Solution

The fourth proportional to 12,900,523.59, 17,798,714.05 and 7,317,850.71 is: 10,096,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,523.59 : 17,798,714.05 = 7,317,850.71 : x
  2. Step 2: Convert to fraction form
    12,900,523.59/17,798,714.05 = 7,317,850.71/x
  3. Step 3: Cross multiply
    12,900,523.59x = 17,798,714.05 × 7,317,850.71
  4. Step 4: Simplify right side
    12,900,523.59x = 130,248,332,162,839.66
  5. Step 5: Solve for x
    x = 130,248,332,162,839.66/12,900,523.59
  6. Step 6: Final answer
    x = 10,096,360.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.