Home / 7,145,091.52-9,860,338.20-3,881,970.88

Finding the Fourth Proportional to 7,145,091.52, 9,860,338.20 and 3,881,970.88

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Solution

The fourth proportional to 7,145,091.52, 9,860,338.20 and 3,881,970.88 is: 5,357,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,091.52 : 9,860,338.20 = 3,881,970.88 : x
  2. Step 2: Convert to fraction form
    7,145,091.52/9,860,338.20 = 3,881,970.88/x
  3. Step 3: Cross multiply
    7,145,091.52x = 9,860,338.20 × 3,881,970.88
  4. Step 4: Simplify right side
    7,145,091.52x = 38,277,545,759,351.61
  5. Step 5: Solve for x
    x = 38,277,545,759,351.61/7,145,091.52
  6. Step 6: Final answer
    x = 5,357,180.61

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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.