Home / 21,638,635.47-32,429,691.70-16,502,258.21

Finding the Fourth Proportional to 21,638,635.47, 32,429,691.70 and 16,502,258.21

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Solution

The fourth proportional to 21,638,635.47, 32,429,691.70 and 16,502,258.21 is: 24,731,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638,635.47 : 32,429,691.70 = 16,502,258.21 : x
  2. Step 2: Convert to fraction form
    21,638,635.47/32,429,691.70 = 16,502,258.21/x
  3. Step 3: Cross multiply
    21,638,635.47x = 32,429,691.70 × 16,502,258.21
  4. Step 4: Simplify right side
    21,638,635.47x = 535,163,145,900,689.81
  5. Step 5: Solve for x
    x = 535,163,145,900,689.81/21,638,635.47
  6. Step 6: Final answer
    x = 24,731,834.25

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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.