Home / 20,965,535.64-28,932,379.92-11,798,178.30

Finding the Fourth Proportional to 20,965,535.64, 28,932,379.92 and 11,798,178.30

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Solution

The fourth proportional to 20,965,535.64, 28,932,379.92 and 11,798,178.30 is: 16,281,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,965,535.64 : 28,932,379.92 = 11,798,178.30 : x
  2. Step 2: Convert to fraction form
    20,965,535.64/28,932,379.92 = 11,798,178.30/x
  3. Step 3: Cross multiply
    20,965,535.64x = 28,932,379.92 × 11,798,178.30
  4. Step 4: Simplify right side
    20,965,535.64x = 341,349,376,939,499.75
  5. Step 5: Solve for x
    x = 341,349,376,939,499.75/20,965,535.64
  6. Step 6: Final answer
    x = 16,281,452.70

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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.