Home / 20,646,793.34-28,491,095.79-11,355,017.66

Finding the Fourth Proportional to 20,646,793.34, 28,491,095.79 and 11,355,017.66

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Solution

The fourth proportional to 20,646,793.34, 28,491,095.79 and 11,355,017.66 is: 15,669,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646,793.34 : 28,491,095.79 = 11,355,017.66 : x
  2. Step 2: Convert to fraction form
    20,646,793.34/28,491,095.79 = 11,355,017.66/x
  3. Step 3: Cross multiply
    20,646,793.34x = 28,491,095.79 × 11,355,017.66
  4. Step 4: Simplify right side
    20,646,793.34x = 323,516,895,705,746.12
  5. Step 5: Solve for x
    x = 323,516,895,705,746.12/20,646,793.34
  6. Step 6: Final answer
    x = 15,669,110.96

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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.