Home / 14,278,227.12-21,399,144.84-6,688,462.32

Finding the Fourth Proportional to 14,278,227.12, 21,399,144.84 and 6,688,462.32

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Solution

The fourth proportional to 14,278,227.12, 21,399,144.84 and 6,688,462.32 is: 10,024,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,227.12 : 21,399,144.84 = 6,688,462.32 : x
  2. Step 2: Convert to fraction form
    14,278,227.12/21,399,144.84 = 6,688,462.32/x
  3. Step 3: Cross multiply
    14,278,227.12x = 21,399,144.84 × 6,688,462.32
  4. Step 4: Simplify right side
    14,278,227.12x = 143,127,373,942,562.44
  5. Step 5: Solve for x
    x = 143,127,373,942,562.44/14,278,227.12
  6. Step 6: Final answer
    x = 10,024,169.86

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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.