Home / 31,275,812.79-43,160,972.76-17,866,254.02

Finding the Fourth Proportional to 31,275,812.79, 43,160,972.76 and 17,866,254.02

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Solution

The fourth proportional to 31,275,812.79, 43,160,972.76 and 17,866,254.02 is: 24,655,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,275,812.79 : 43,160,972.76 = 17,866,254.02 : x
  2. Step 2: Convert to fraction form
    31,275,812.79/43,160,972.76 = 17,866,254.02/x
  3. Step 3: Cross multiply
    31,275,812.79x = 43,160,972.76 × 17,866,254.02
  4. Step 4: Simplify right side
    31,275,812.79x = 771,124,902,864,655.62
  5. Step 5: Solve for x
    x = 771,124,902,864,655.62/31,275,812.79
  6. Step 6: Final answer
    x = 24,655,631.11

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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.