Home / 8,319,135.80-12,488,034.90-6,434,233.40

Finding the Fourth Proportional to 8,319,135.80, 12,488,034.90 and 6,434,233.40

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Solution

The fourth proportional to 8,319,135.80, 12,488,034.90 and 6,434,233.40 is: 9,658,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,135.80 : 12,488,034.90 = 6,434,233.40 : x
  2. Step 2: Convert to fraction form
    8,319,135.80/12,488,034.90 = 6,434,233.40/x
  3. Step 3: Cross multiply
    8,319,135.80x = 12,488,034.90 × 6,434,233.40
  4. Step 4: Simplify right side
    8,319,135.80x = 80,350,931,253,945.67
  5. Step 5: Solve for x
    x = 80,350,931,253,945.67/8,319,135.80
  6. Step 6: Final answer
    x = 9,658,567.09

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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.