Home / 20,702,060.32-28,569,712.08-11,534,697.76

Finding the Fourth Proportional to 20,702,060.32, 28,569,712.08 and 11,534,697.76

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Solution

The fourth proportional to 20,702,060.32, 28,569,712.08 and 11,534,697.76 is: 15,918,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,060.32 : 28,569,712.08 = 11,534,697.76 : x
  2. Step 2: Convert to fraction form
    20,702,060.32/28,569,712.08 = 11,534,697.76/x
  3. Step 3: Cross multiply
    20,702,060.32x = 28,569,712.08 × 11,534,697.76
  4. Step 4: Simplify right side
    20,702,060.32x = 329,542,993,933,020.94
  5. Step 5: Solve for x
    x = 329,542,993,933,020.94/20,702,060.32
  6. Step 6: Final answer
    x = 15,918,367.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.