Home / 8,321,318.40-12,486,124.80-4,729,843.20

Finding the Fourth Proportional to 8,321,318.40, 12,486,124.80 and 4,729,843.20

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Solution

The fourth proportional to 8,321,318.40, 12,486,124.80 and 4,729,843.20 is: 7,097,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,318.40 : 12,486,124.80 = 4,729,843.20 : x
  2. Step 2: Convert to fraction form
    8,321,318.40/12,486,124.80 = 4,729,843.20/x
  3. Step 3: Cross multiply
    8,321,318.40x = 12,486,124.80 × 4,729,843.20
  4. Step 4: Simplify right side
    8,321,318.40x = 59,057,412,479,631.37
  5. Step 5: Solve for x
    x = 59,057,412,479,631.37/8,321,318.40
  6. Step 6: Final answer
    x = 7,097,122.07

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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.