Home / 7,240,598.10-10,860,729.12-3,645,399.78

Finding the Fourth Proportional to 7,240,598.10, 10,860,729.12 and 3,645,399.78

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Solution

The fourth proportional to 7,240,598.10, 10,860,729.12 and 3,645,399.78 is: 5,468,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,598.10 : 10,860,729.12 = 3,645,399.78 : x
  2. Step 2: Convert to fraction form
    7,240,598.10/10,860,729.12 = 3,645,399.78/x
  3. Step 3: Cross multiply
    7,240,598.10x = 10,860,729.12 × 3,645,399.78
  4. Step 4: Simplify right side
    7,240,598.10x = 39,591,699,544,687.59
  5. Step 5: Solve for x
    x = 39,591,699,544,687.59/7,240,598.10
  6. Step 6: Final answer
    x = 5,468,015.07

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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.