Home / 21,888,046.05-32,832,069.08-20,712,314.85

Finding the Fourth Proportional to 21,888,046.05, 32,832,069.08 and 20,712,314.85

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Solution

The fourth proportional to 21,888,046.05, 32,832,069.08 and 20,712,314.85 is: 31,068,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,046.05 : 32,832,069.08 = 20,712,314.85 : x
  2. Step 2: Convert to fraction form
    21,888,046.05/32,832,069.08 = 20,712,314.85/x
  3. Step 3: Cross multiply
    21,888,046.05x = 32,832,069.08 × 20,712,314.85
  4. Step 4: Simplify right side
    21,888,046.05x = 680,028,151,961,909.88
  5. Step 5: Solve for x
    x = 680,028,151,961,909.88/21,888,046.05
  6. Step 6: Final answer
    x = 31,068,472.28

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1.5x scale

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.