Home / 8,319,479.75-12,536,006.19-6,836,385.69

Finding the Fourth Proportional to 8,319,479.75, 12,536,006.19 and 6,836,385.69

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Solution

The fourth proportional to 8,319,479.75, 12,536,006.19 and 6,836,385.69 is: 10,301,241.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,479.75 : 12,536,006.19 = 6,836,385.69 : x
  2. Step 2: Convert to fraction form
    8,319,479.75/12,536,006.19 = 6,836,385.69/x
  3. Step 3: Cross multiply
    8,319,479.75x = 12,536,006.19 × 6,836,385.69
  4. Step 4: Simplify right side
    8,319,479.75x = 85,700,973,301,430.97
  5. Step 5: Solve for x
    x = 85,700,973,301,430.97/8,319,479.75
  6. Step 6: Final answer
    x = 10,301,241.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.