Home / 8,656,912.20-12,985,368.30-4,168,105.80

Finding the Fourth Proportional to 8,656,912.20, 12,985,368.30 and 4,168,105.80

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Solution

The fourth proportional to 8,656,912.20, 12,985,368.30 and 4,168,105.80 is: 6,252,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,912.20 : 12,985,368.30 = 4,168,105.80 : x
  2. Step 2: Convert to fraction form
    8,656,912.20/12,985,368.30 = 4,168,105.80/x
  3. Step 3: Cross multiply
    8,656,912.20x = 12,985,368.30 × 4,168,105.80
  4. Step 4: Simplify right side
    8,656,912.20x = 54,124,388,926,366.14
  5. Step 5: Solve for x
    x = 54,124,388,926,366.14/8,656,912.20
  6. Step 6: Final answer
    x = 6,252,158.70

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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.