Home / 23,181,414.71-31,988,752.07-12,867,325.88

Finding the Fourth Proportional to 23,181,414.71, 31,988,752.07 and 12,867,325.88

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Solution

The fourth proportional to 23,181,414.71, 31,988,752.07 and 12,867,325.88 is: 17,756,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,181,414.71 : 31,988,752.07 = 12,867,325.88 : x
  2. Step 2: Convert to fraction form
    23,181,414.71/31,988,752.07 = 12,867,325.88/x
  3. Step 3: Cross multiply
    23,181,414.71x = 31,988,752.07 × 12,867,325.88
  4. Step 4: Simplify right side
    23,181,414.71x = 411,609,697,154,934.19
  5. Step 5: Solve for x
    x = 411,609,697,154,934.19/23,181,414.71
  6. Step 6: Final answer
    x = 17,756,021.47

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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.