Home / 8,330,062.20-12,496,657.56-3,781,430.28

Finding the Fourth Proportional to 8,330,062.20, 12,496,657.56 and 3,781,430.28

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Solution

The fourth proportional to 8,330,062.20, 12,496,657.56 and 3,781,430.28 is: 5,672,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330,062.20 : 12,496,657.56 = 3,781,430.28 : x
  2. Step 2: Convert to fraction form
    8,330,062.20/12,496,657.56 = 3,781,430.28/x
  3. Step 3: Cross multiply
    8,330,062.20x = 12,496,657.56 × 3,781,430.28
  4. Step 4: Simplify right side
    8,330,062.20x = 47,255,239,296,174.91
  5. Step 5: Solve for x
    x = 47,255,239,296,174.91/8,330,062.20
  6. Step 6: Final answer
    x = 5,672,855.52

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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.