Home / 8,069,479.20-12,118,215.60-4,290,343.20

Finding the Fourth Proportional to 8,069,479.20, 12,118,215.60 and 4,290,343.20

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Solution

The fourth proportional to 8,069,479.20, 12,118,215.60 and 4,290,343.20 is: 6,442,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069,479.20 : 12,118,215.60 = 4,290,343.20 : x
  2. Step 2: Convert to fraction form
    8,069,479.20/12,118,215.60 = 4,290,343.20/x
  3. Step 3: Cross multiply
    8,069,479.20x = 12,118,215.60 × 4,290,343.20
  4. Step 4: Simplify right side
    8,069,479.20x = 51,991,303,895,593.92
  5. Step 5: Solve for x
    x = 51,991,303,895,593.92/8,069,479.20
  6. Step 6: Final answer
    x = 6,442,956.55

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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.