Home / 20,710,577.32-28,580,628.20-11,543,023.24

Finding the Fourth Proportional to 20,710,577.32, 28,580,628.20 and 11,543,023.24

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Solution

The fourth proportional to 20,710,577.32, 28,580,628.20 and 11,543,023.24 is: 15,929,389.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,577.32 : 28,580,628.20 = 11,543,023.24 : x
  2. Step 2: Convert to fraction form
    20,710,577.32/28,580,628.20 = 11,543,023.24/x
  3. Step 3: Cross multiply
    20,710,577.32x = 28,580,628.20 × 11,543,023.24
  4. Step 4: Simplify right side
    20,710,577.32x = 329,906,855,325,781.12
  5. Step 5: Solve for x
    x = 329,906,855,325,781.12/20,710,577.32
  6. Step 6: Final answer
    x = 15,929,389.62

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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.