Home / 8,239,477.20-12,334,332.60-7,244,149.20

Finding the Fourth Proportional to 8,239,477.20, 12,334,332.60 and 7,244,149.20

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Solution

The fourth proportional to 8,239,477.20, 12,334,332.60 and 7,244,149.20 is: 10,844,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,477.20 : 12,334,332.60 = 7,244,149.20 : x
  2. Step 2: Convert to fraction form
    8,239,477.20/12,334,332.60 = 7,244,149.20/x
  3. Step 3: Cross multiply
    8,239,477.20x = 12,334,332.60 × 7,244,149.20
  4. Step 4: Simplify right side
    8,239,477.20x = 89,351,745,636,823.92
  5. Step 5: Solve for x
    x = 89,351,745,636,823.92/8,239,477.20
  6. Step 6: Final answer
    x = 10,844,346.49

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1.5x scale

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.