Home / 20,386,433.28-30,558,326.40-7,601,376

Finding the Fourth Proportional to 20,386,433.28, 30,558,326.40 and 7,601,376

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Solution

The fourth proportional to 20,386,433.28, 30,558,326.40 and 7,601,376 is: 11,394,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386,433.28 : 30,558,326.40 = 7,601,376 : x
  2. Step 2: Convert to fraction form
    20,386,433.28/30,558,326.40 = 7,601,376/x
  3. Step 3: Cross multiply
    20,386,433.28x = 30,558,326.40 × 7,601,376
  4. Step 4: Simplify right side
    20,386,433.28x = 232,285,328,897,126.38
  5. Step 5: Solve for x
    x = 232,285,328,897,126.38/20,386,433.28
  6. Step 6: Final answer
    x = 11,394,113.22

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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.