Home / 8,308,195.20-12,462,292.80-4,712,572.80

Finding the Fourth Proportional to 8,308,195.20, 12,462,292.80 and 4,712,572.80

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Solution

The fourth proportional to 8,308,195.20, 12,462,292.80 and 4,712,572.80 is: 7,068,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,195.20 : 12,462,292.80 = 4,712,572.80 : x
  2. Step 2: Convert to fraction form
    8,308,195.20/12,462,292.80 = 4,712,572.80/x
  3. Step 3: Cross multiply
    8,308,195.20x = 12,462,292.80 × 4,712,572.80
  4. Step 4: Simplify right side
    8,308,195.20x = 58,729,462,074,915.84
  5. Step 5: Solve for x
    x = 58,729,462,074,915.84/8,308,195.20
  6. Step 6: Final answer
    x = 7,068,859.20

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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.