Home / 8,304,400.80-12,456,601.20-5,158,672.80

Finding the Fourth Proportional to 8,304,400.80, 12,456,601.20 and 5,158,672.80

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Solution

The fourth proportional to 8,304,400.80, 12,456,601.20 and 5,158,672.80 is: 7,738,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,400.80 : 12,456,601.20 = 5,158,672.80 : x
  2. Step 2: Convert to fraction form
    8,304,400.80/12,456,601.20 = 5,158,672.80/x
  3. Step 3: Cross multiply
    8,304,400.80x = 12,456,601.20 × 5,158,672.80
  4. Step 4: Simplify right side
    8,304,400.80x = 64,259,529,790,887.35
  5. Step 5: Solve for x
    x = 64,259,529,790,887.35/8,304,400.80
  6. Step 6: Final answer
    x = 7,738,009.20

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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.