Home / 8,732,419.20-13,086,187.20-6,440,054.40

Finding the Fourth Proportional to 8,732,419.20, 13,086,187.20 and 6,440,054.40

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Solution

The fourth proportional to 8,732,419.20, 13,086,187.20 and 6,440,054.40 is: 9,650,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732,419.20 : 13,086,187.20 = 6,440,054.40 : x
  2. Step 2: Convert to fraction form
    8,732,419.20/13,086,187.20 = 6,440,054.40/x
  3. Step 3: Cross multiply
    8,732,419.20x = 13,086,187.20 × 6,440,054.40
  4. Step 4: Simplify right side
    8,732,419.20x = 84,275,757,456,583.69
  5. Step 5: Solve for x
    x = 84,275,757,456,583.69/8,732,419.20
  6. Step 6: Final answer
    x = 9,650,906.07

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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.