Home / 14,342,169.56-19,791,691.27-7,815,665.84

Finding the Fourth Proportional to 14,342,169.56, 19,791,691.27 and 7,815,665.84

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Solution

The fourth proportional to 14,342,169.56, 19,791,691.27 and 7,815,665.84 is: 10,785,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,169.56 : 19,791,691.27 = 7,815,665.84 : x
  2. Step 2: Convert to fraction form
    14,342,169.56/19,791,691.27 = 7,815,665.84/x
  3. Step 3: Cross multiply
    14,342,169.56x = 19,791,691.27 × 7,815,665.84
  4. Step 4: Simplify right side
    14,342,169.56x = 154,685,245,256,267.59
  5. Step 5: Solve for x
    x = 154,685,245,256,267.59/14,342,169.56
  6. Step 6: Final answer
    x = 10,785,344.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.