Home / 8,105,278.60-12,156,362.70-2,425,688.20

Finding the Fourth Proportional to 8,105,278.60, 12,156,362.70 and 2,425,688.20

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Solution

The fourth proportional to 8,105,278.60, 12,156,362.70 and 2,425,688.20 is: 3,638,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105,278.60 : 12,156,362.70 = 2,425,688.20 : x
  2. Step 2: Convert to fraction form
    8,105,278.60/12,156,362.70 = 2,425,688.20/x
  3. Step 3: Cross multiply
    8,105,278.60x = 12,156,362.70 × 2,425,688.20
  4. Step 4: Simplify right side
    8,105,278.60x = 29,487,545,556,310.14
  5. Step 5: Solve for x
    x = 29,487,545,556,310.14/8,105,278.60
  6. Step 6: Final answer
    x = 3,638,066.87

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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.