Home / 21,650,242.81-29,877,332.59-12,948,414.03

Finding the Fourth Proportional to 21,650,242.81, 29,877,332.59 and 12,948,414.03

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Solution

The fourth proportional to 21,650,242.81, 29,877,332.59 and 12,948,414.03 is: 17,868,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650,242.81 : 29,877,332.59 = 12,948,414.03 : x
  2. Step 2: Convert to fraction form
    21,650,242.81/29,877,332.59 = 12,948,414.03/x
  3. Step 3: Cross multiply
    21,650,242.81x = 29,877,332.59 × 12,948,414.03
  4. Step 4: Simplify right side
    21,650,242.81x = 386,864,072,487,332.19
  5. Step 5: Solve for x
    x = 386,864,072,487,332.19/21,650,242.81
  6. Step 6: Final answer
    x = 17,868,809.87

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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.