Home / 8,470,396.98-12,707,967.15-3,425,250.42

Finding the Fourth Proportional to 8,470,396.98, 12,707,967.15 and 3,425,250.42

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Solution

The fourth proportional to 8,470,396.98, 12,707,967.15 and 3,425,250.42 is: 5,138,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,396.98 : 12,707,967.15 = 3,425,250.42 : x
  2. Step 2: Convert to fraction form
    8,470,396.98/12,707,967.15 = 3,425,250.42/x
  3. Step 3: Cross multiply
    8,470,396.98x = 12,707,967.15 × 3,425,250.42
  4. Step 4: Simplify right side
    8,470,396.98x = 43,527,969,817,883.70
  5. Step 5: Solve for x
    x = 43,527,969,817,883.70/8,470,396.98
  6. Step 6: Final answer
    x = 5,138,834.69

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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.