Home / 8,138,670.80-12,209,950.20-2,458,950.80

Finding the Fourth Proportional to 8,138,670.80, 12,209,950.20 and 2,458,950.80

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Solution

The fourth proportional to 8,138,670.80, 12,209,950.20 and 2,458,950.80 is: 3,689,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,670.80 : 12,209,950.20 = 2,458,950.80 : x
  2. Step 2: Convert to fraction form
    8,138,670.80/12,209,950.20 = 2,458,950.80/x
  3. Step 3: Cross multiply
    8,138,670.80x = 12,209,950.20 × 2,458,950.80
  4. Step 4: Simplify right side
    8,138,670.80x = 30,023,666,812,250.16
  5. Step 5: Solve for x
    x = 30,023,666,812,250.16/8,138,670.80
  6. Step 6: Final answer
    x = 3,689,013.54

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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.