Home / 14,272,765.68-21,404,349.24-5,172,958.40

Finding the Fourth Proportional to 14,272,765.68, 21,404,349.24 and 5,172,958.40

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Solution

The fourth proportional to 14,272,765.68, 21,404,349.24 and 5,172,958.40 is: 7,757,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272,765.68 : 21,404,349.24 = 5,172,958.40 : x
  2. Step 2: Convert to fraction form
    14,272,765.68/21,404,349.24 = 5,172,958.40/x
  3. Step 3: Cross multiply
    14,272,765.68x = 21,404,349.24 × 5,172,958.40
  4. Step 4: Simplify right side
    14,272,765.68x = 110,723,808,197,591.61
  5. Step 5: Solve for x
    x = 110,723,808,197,591.61/14,272,765.68
  6. Step 6: Final answer
    x = 7,757,698.17

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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.