Home / 7,702,892.20-11,545,007.10-3,438,533.80

Finding the Fourth Proportional to 7,702,892.20, 11,545,007.10 and 3,438,533.80

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Solution

The fourth proportional to 7,702,892.20, 11,545,007.10 and 3,438,533.80 is: 5,153,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702,892.20 : 11,545,007.10 = 3,438,533.80 : x
  2. Step 2: Convert to fraction form
    7,702,892.20/11,545,007.10 = 3,438,533.80/x
  3. Step 3: Cross multiply
    7,702,892.20x = 11,545,007.10 × 3,438,533.80
  4. Step 4: Simplify right side
    7,702,892.20x = 39,697,897,134,589.98
  5. Step 5: Solve for x
    x = 39,697,897,134,589.98/7,702,892.20
  6. Step 6: Final answer
    x = 5,153,635.30

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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.