Home / 8,405,616.20-12,608,424.30-5,004,393.80

Finding the Fourth Proportional to 8,405,616.20, 12,608,424.30 and 5,004,393.80

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Solution

The fourth proportional to 8,405,616.20, 12,608,424.30 and 5,004,393.80 is: 7,506,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405,616.20 : 12,608,424.30 = 5,004,393.80 : x
  2. Step 2: Convert to fraction form
    8,405,616.20/12,608,424.30 = 5,004,393.80/x
  3. Step 3: Cross multiply
    8,405,616.20x = 12,608,424.30 × 5,004,393.80
  4. Step 4: Simplify right side
    8,405,616.20x = 63,097,520,394,689.34
  5. Step 5: Solve for x
    x = 63,097,520,394,689.34/8,405,616.20
  6. Step 6: Final answer
    x = 7,506,590.70

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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.