Home / 8,485,180.83-11,712,016.98-5,545,440.15

Finding the Fourth Proportional to 8,485,180.83, 11,712,016.98 and 5,545,440.15

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Solution

The fourth proportional to 8,485,180.83, 11,712,016.98 and 5,545,440.15 is: 7,654,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485,180.83 : 11,712,016.98 = 5,545,440.15 : x
  2. Step 2: Convert to fraction form
    8,485,180.83/11,712,016.98 = 5,545,440.15/x
  3. Step 3: Cross multiply
    8,485,180.83x = 11,712,016.98 × 5,545,440.15
  4. Step 4: Simplify right side
    8,485,180.83x = 64,948,289,198,373.75
  5. Step 5: Solve for x
    x = 64,948,289,198,373.75/8,485,180.83
  6. Step 6: Final answer
    x = 7,654,319.98

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1.5x scale

Why These Related Problems?

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