Home / 15,247,950.36-21,042,171.60-8,372,432.46

Finding the Fourth Proportional to 15,247,950.36, 21,042,171.60 and 8,372,432.46

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Solution

The fourth proportional to 15,247,950.36, 21,042,171.60 and 8,372,432.46 is: 11,553,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,950.36 : 21,042,171.60 = 8,372,432.46 : x
  2. Step 2: Convert to fraction form
    15,247,950.36/21,042,171.60 = 8,372,432.46/x
  3. Step 3: Cross multiply
    15,247,950.36x = 21,042,171.60 × 8,372,432.46
  4. Step 4: Simplify right side
    15,247,950.36x = 176,174,160,532,730.16
  5. Step 5: Solve for x
    x = 176,174,160,532,730.16/15,247,950.36
  6. Step 6: Final answer
    x = 11,553,956.85

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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.