Home / 8,334,778.47-12,485,990.94-6,142,366.42

Finding the Fourth Proportional to 8,334,778.47, 12,485,990.94 and 6,142,366.42

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Solution

The fourth proportional to 8,334,778.47, 12,485,990.94 and 6,142,366.42 is: 9,201,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334,778.47 : 12,485,990.94 = 6,142,366.42 : x
  2. Step 2: Convert to fraction form
    8,334,778.47/12,485,990.94 = 6,142,366.42/x
  3. Step 3: Cross multiply
    8,334,778.47x = 12,485,990.94 × 6,142,366.42
  4. Step 4: Simplify right side
    8,334,778.47x = 76,693,531,467,854.53
  5. Step 5: Solve for x
    x = 76,693,531,467,854.53/8,334,778.47
  6. Step 6: Final answer
    x = 9,201,628.06

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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.