Home / 22,143,400.90-33,215,101.35-20,123,925.10

Finding the Fourth Proportional to 22,143,400.90, 33,215,101.35 and 20,123,925.10

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Solution

The fourth proportional to 22,143,400.90, 33,215,101.35 and 20,123,925.10 is: 30,185,887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,400.90 : 33,215,101.35 = 20,123,925.10 : x
  2. Step 2: Convert to fraction form
    22,143,400.90/33,215,101.35 = 20,123,925.10/x
  3. Step 3: Cross multiply
    22,143,400.90x = 33,215,101.35 × 20,123,925.10
  4. Step 4: Simplify right side
    22,143,400.90x = 668,418,211,756,309
  5. Step 5: Solve for x
    x = 668,418,211,756,309/22,143,400.90
  6. Step 6: Final answer
    x = 30,185,887.65

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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.