Home / 28,601,621.92-42,893,322-9,428,805.28

Finding the Fourth Proportional to 28,601,621.92, 42,893,322 and 9,428,805.28

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Solution

The fourth proportional to 28,601,621.92, 42,893,322 and 9,428,805.28 is: 14,140,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601,621.92 : 42,893,322 = 9,428,805.28 : x
  2. Step 2: Convert to fraction form
    28,601,621.92/42,893,322 = 9,428,805.28/x
  3. Step 3: Cross multiply
    28,601,621.92x = 42,893,322 × 9,428,805.28
  4. Step 4: Simplify right side
    28,601,621.92x = 404,432,780,950,340.12
  5. Step 5: Solve for x
    x = 404,432,780,950,340.12/28,601,621.92
  6. Step 6: Final answer
    x = 14,140,204.43

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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.