Home / 22,791,438.84-31,452,171.12-12,478,159.20

Finding the Fourth Proportional to 22,791,438.84, 31,452,171.12 and 12,478,159.20

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Solution

The fourth proportional to 22,791,438.84, 31,452,171.12 and 12,478,159.20 is: 17,219,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791,438.84 : 31,452,171.12 = 12,478,159.20 : x
  2. Step 2: Convert to fraction form
    22,791,438.84/31,452,171.12 = 12,478,159.20/x
  3. Step 3: Cross multiply
    22,791,438.84x = 31,452,171.12 × 12,478,159.20
  4. Step 4: Simplify right side
    22,791,438.84x = 392,465,198,421,002.31
  5. Step 5: Solve for x
    x = 392,465,198,421,002.31/22,791,438.84
  6. Step 6: Final answer
    x = 17,219,851.77

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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.