Home / 14,272,356.15-21,403,736.04-5,172,548.96

Finding the Fourth Proportional to 14,272,356.15, 21,403,736.04 and 5,172,548.96

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Solution

The fourth proportional to 14,272,356.15, 21,403,736.04 and 5,172,548.96 is: 7,757,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272,356.15 : 21,403,736.04 = 5,172,548.96 : x
  2. Step 2: Convert to fraction form
    14,272,356.15/21,403,736.04 = 5,172,548.96/x
  3. Step 3: Cross multiply
    14,272,356.15x = 21,403,736.04 × 5,172,548.96
  4. Step 4: Simplify right side
    14,272,356.15x = 110,711,872,486,797.83
  5. Step 5: Solve for x
    x = 110,711,872,486,797.83/14,272,356.15
  6. Step 6: Final answer
    x = 7,757,084.49

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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.