Home / 10,200,809.10-15,294,111.48-4,517,952.78

Finding the Fourth Proportional to 10,200,809.10, 15,294,111.48 and 4,517,952.78

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Solution

The fourth proportional to 10,200,809.10, 15,294,111.48 and 4,517,952.78 is: 6,773,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200,809.10 : 15,294,111.48 = 4,517,952.78 : x
  2. Step 2: Convert to fraction form
    10,200,809.10/15,294,111.48 = 4,517,952.78/x
  3. Step 3: Cross multiply
    10,200,809.10x = 15,294,111.48 × 4,517,952.78
  4. Step 4: Simplify right side
    10,200,809.10x = 69,098,073,478,695.92
  5. Step 5: Solve for x
    x = 69,098,073,478,695.92/10,200,809.10
  6. Step 6: Final answer
    x = 6,773,783.61

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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.