Home / 21,537,785.60-32,263,132.80-13,425,862.40

Finding the Fourth Proportional to 21,537,785.60, 32,263,132.80 and 13,425,862.40

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Solution

The fourth proportional to 21,537,785.60, 32,263,132.80 and 13,425,862.40 is: 20,111,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537,785.60 : 32,263,132.80 = 13,425,862.40 : x
  2. Step 2: Convert to fraction form
    21,537,785.60/32,263,132.80 = 13,425,862.40/x
  3. Step 3: Cross multiply
    21,537,785.60x = 32,263,132.80 × 13,425,862.40
  4. Step 4: Simplify right side
    21,537,785.60x = 433,160,381,565,726.75
  5. Step 5: Solve for x
    x = 433,160,381,565,726.75/21,537,785.60
  6. Step 6: Final answer
    x = 20,111,648.88

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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.