Home / 10,299,188.16-15,458,951.79-7,731,475.20

Finding the Fourth Proportional to 10,299,188.16, 15,458,951.79 and 7,731,475.20

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Solution

The fourth proportional to 10,299,188.16, 15,458,951.79 and 7,731,475.20 is: 11,604,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299,188.16 : 15,458,951.79 = 7,731,475.20 : x
  2. Step 2: Convert to fraction form
    10,299,188.16/15,458,951.79 = 7,731,475.20/x
  3. Step 3: Cross multiply
    10,299,188.16x = 15,458,951.79 × 7,731,475.20
  4. Step 4: Simplify right side
    10,299,188.16x = 119,520,502,382,380.61
  5. Step 5: Solve for x
    x = 119,520,502,382,380.61/10,299,188.16
  6. Step 6: Final answer
    x = 11,604,846.96

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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.