Home / 10,488,981.60-15,722,413.20-5,991,573.60

Finding the Fourth Proportional to 10,488,981.60, 15,722,413.20 and 5,991,573.60

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Solution

The fourth proportional to 10,488,981.60, 15,722,413.20 and 5,991,573.60 is: 8,981,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488,981.60 : 15,722,413.20 = 5,991,573.60 : x
  2. Step 2: Convert to fraction form
    10,488,981.60/15,722,413.20 = 5,991,573.60/x
  3. Step 3: Cross multiply
    10,488,981.60x = 15,722,413.20 × 5,991,573.60
  4. Step 4: Simplify right side
    10,488,981.60x = 94,201,995,857,411.52
  5. Step 5: Solve for x
    x = 94,201,995,857,411.52/10,488,981.60
  6. Step 6: Final answer
    x = 8,981,043.10

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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.