Home / 20,710,029.20-31,041,715.80-9,932,493.20

Finding the Fourth Proportional to 20,710,029.20, 31,041,715.80 and 9,932,493.20

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Solution

The fourth proportional to 20,710,029.20, 31,041,715.80 and 9,932,493.20 is: 14,887,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,029.20 : 31,041,715.80 = 9,932,493.20 : x
  2. Step 2: Convert to fraction form
    20,710,029.20/31,041,715.80 = 9,932,493.20/x
  3. Step 3: Cross multiply
    20,710,029.20x = 31,041,715.80 × 9,932,493.20
  4. Step 4: Simplify right side
    20,710,029.20x = 308,321,631,099,832.56
  5. Step 5: Solve for x
    x = 308,321,631,099,832.56/20,710,029.20
  6. Step 6: Final answer
    x = 14,887,551.73

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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.