Home / 8,342,521.39-12,499,064.79-7,306,289.20

Finding the Fourth Proportional to 8,342,521.39, 12,499,064.79 and 7,306,289.20

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Solution

The fourth proportional to 8,342,521.39, 12,499,064.79 and 7,306,289.20 is: 10,946,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342,521.39 : 12,499,064.79 = 7,306,289.20 : x
  2. Step 2: Convert to fraction form
    8,342,521.39/12,499,064.79 = 7,306,289.20/x
  3. Step 3: Cross multiply
    8,342,521.39x = 12,499,064.79 × 7,306,289.20
  4. Step 4: Simplify right side
    8,342,521.39x = 91,321,782,114,600.39
  5. Step 5: Solve for x
    x = 91,321,782,114,600.39/8,342,521.39
  6. Step 6: Final answer
    x = 10,946,544.56

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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.