Home / 8,419,677.90-11,618,287.85-6,215,712.93

Finding the Fourth Proportional to 8,419,677.90, 11,618,287.85 and 6,215,712.93

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Solution

The fourth proportional to 8,419,677.90, 11,618,287.85 and 6,215,712.93 is: 8,577,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419,677.90 : 11,618,287.85 = 6,215,712.93 : x
  2. Step 2: Convert to fraction form
    8,419,677.90/11,618,287.85 = 6,215,712.93/x
  3. Step 3: Cross multiply
    8,419,677.90x = 11,618,287.85 × 6,215,712.93
  4. Step 4: Simplify right side
    8,419,677.90x = 72,215,941,982,628.34
  5. Step 5: Solve for x
    x = 72,215,941,982,628.34/8,419,677.90
  6. Step 6: Final answer
    x = 8,577,043.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.