Home / 21,561,827.20-32,342,740.80-15,893,123.20

Finding the Fourth Proportional to 21,561,827.20, 32,342,740.80 and 15,893,123.20

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Solution

The fourth proportional to 21,561,827.20, 32,342,740.80 and 15,893,123.20 is: 23,839,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,827.20 : 32,342,740.80 = 15,893,123.20 : x
  2. Step 2: Convert to fraction form
    21,561,827.20/32,342,740.80 = 15,893,123.20/x
  3. Step 3: Cross multiply
    21,561,827.20x = 32,342,740.80 × 15,893,123.20
  4. Step 4: Simplify right side
    21,561,827.20x = 514,027,164,160,066.56
  5. Step 5: Solve for x
    x = 514,027,164,160,066.56/21,561,827.20
  6. Step 6: Final answer
    x = 23,839,684.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.