Home / 15,487,310.71-21,373,010.81-8,518,527.24

Finding the Fourth Proportional to 15,487,310.71, 21,373,010.81 and 8,518,527.24

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Solution

The fourth proportional to 15,487,310.71, 21,373,010.81 and 8,518,527.24 is: 11,755,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,310.71 : 21,373,010.81 = 8,518,527.24 : x
  2. Step 2: Convert to fraction form
    15,487,310.71/21,373,010.81 = 8,518,527.24/x
  3. Step 3: Cross multiply
    15,487,310.71x = 21,373,010.81 × 8,518,527.24
  4. Step 4: Simplify right side
    15,487,310.71x = 182,066,574,785,799.47
  5. Step 5: Solve for x
    x = 182,066,574,785,799.47/15,487,310.71
  6. Step 6: Final answer
    x = 11,755,854.72

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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.