Home / 12,584,927.70-18,877,391.55-10,565,451.90

Finding the Fourth Proportional to 12,584,927.70, 18,877,391.55 and 10,565,451.90

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Solution

The fourth proportional to 12,584,927.70, 18,877,391.55 and 10,565,451.90 is: 15,848,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584,927.70 : 18,877,391.55 = 10,565,451.90 : x
  2. Step 2: Convert to fraction form
    12,584,927.70/18,877,391.55 = 10,565,451.90/x
  3. Step 3: Cross multiply
    12,584,927.70x = 18,877,391.55 × 10,565,451.90
  4. Step 4: Simplify right side
    12,584,927.70x = 199,448,172,418,991.47
  5. Step 5: Solve for x
    x = 199,448,172,418,991.47/12,584,927.70
  6. Step 6: Final answer
    x = 15,848,177.85

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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.