Home / 28,364,505.84-42,560,044.79-13,979,732.04

Finding the Fourth Proportional to 28,364,505.84, 42,560,044.79 and 13,979,732.04

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Solution

The fourth proportional to 28,364,505.84, 42,560,044.79 and 13,979,732.04 is: 20,976,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364,505.84 : 42,560,044.79 = 13,979,732.04 : x
  2. Step 2: Convert to fraction form
    28,364,505.84/42,560,044.79 = 13,979,732.04/x
  3. Step 3: Cross multiply
    28,364,505.84x = 42,560,044.79 × 13,979,732.04
  4. Step 4: Simplify right side
    28,364,505.84x = 594,978,021,704,699.38
  5. Step 5: Solve for x
    x = 594,978,021,704,699.38/28,364,505.84
  6. Step 6: Final answer
    x = 20,976,146.21

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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.