Home / 22,570,531.20-31,154,414.40-14,421,801.60

Finding the Fourth Proportional to 22,570,531.20, 31,154,414.40 and 14,421,801.60

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Solution

The fourth proportional to 22,570,531.20, 31,154,414.40 and 14,421,801.60 is: 19,906,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,570,531.20 : 31,154,414.40 = 14,421,801.60 : x
  2. Step 2: Convert to fraction form
    22,570,531.20/31,154,414.40 = 14,421,801.60/x
  3. Step 3: Cross multiply
    22,570,531.20x = 31,154,414.40 × 14,421,801.60
  4. Step 4: Simplify right side
    22,570,531.20x = 449,302,783,440,983
  5. Step 5: Solve for x
    x = 449,302,783,440,983/22,570,531.20
  6. Step 6: Final answer
    x = 19,906,610.95

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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.