Home / 22,712,446.79-31,343,017.13-12,399,169.88

Finding the Fourth Proportional to 22,712,446.79, 31,343,017.13 and 12,399,169.88

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Solution

The fourth proportional to 22,712,446.79, 31,343,017.13 and 12,399,169.88 is: 17,110,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712,446.79 : 31,343,017.13 = 12,399,169.88 : x
  2. Step 2: Convert to fraction form
    22,712,446.79/31,343,017.13 = 12,399,169.88/x
  3. Step 3: Cross multiply
    22,712,446.79x = 31,343,017.13 × 12,399,169.88
  4. Step 4: Simplify right side
    22,712,446.79x = 388,627,394,009,478.62
  5. Step 5: Solve for x
    x = 388,627,394,009,478.62/22,712,446.79
  6. Step 6: Final answer
    x = 17,110,767.40

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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.