Home / 8,239,478.20-12,334,334.10-7,244,150.20

Finding the Fourth Proportional to 8,239,478.20, 12,334,334.10 and 7,244,150.20

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Solution

The fourth proportional to 8,239,478.20, 12,334,334.10 and 7,244,150.20 is: 10,844,347.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,478.20 : 12,334,334.10 = 7,244,150.20 : x
  2. Step 2: Convert to fraction form
    8,239,478.20/12,334,334.10 = 7,244,150.20/x
  3. Step 3: Cross multiply
    8,239,478.20x = 12,334,334.10 × 7,244,150.20
  4. Step 4: Simplify right side
    8,239,478.20x = 89,351,768,837,381.81
  5. Step 5: Solve for x
    x = 89,351,768,837,381.81/8,239,478.20
  6. Step 6: Final answer
    x = 10,844,347.99

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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.