Home / 8,321,815.60-12,474,121.80-4,527,281.20

Finding the Fourth Proportional to 8,321,815.60, 12,474,121.80 and 4,527,281.20

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Solution

The fourth proportional to 8,321,815.60, 12,474,121.80 and 4,527,281.20 is: 6,786,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,815.60 : 12,474,121.80 = 4,527,281.20 : x
  2. Step 2: Convert to fraction form
    8,321,815.60/12,474,121.80 = 4,527,281.20/x
  3. Step 3: Cross multiply
    8,321,815.60x = 12,474,121.80 × 4,527,281.20
  4. Step 4: Simplify right side
    8,321,815.60x = 56,473,857,111,650.16
  5. Step 5: Solve for x
    x = 56,473,857,111,650.16/8,321,815.60
  6. Step 6: Final answer
    x = 6,786,242.31

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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.