Home / 10,387,321.80-15,580,982.70-5,604,352.80

Finding the Fourth Proportional to 10,387,321.80, 15,580,982.70 and 5,604,352.80

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Solution

The fourth proportional to 10,387,321.80, 15,580,982.70 and 5,604,352.80 is: 8,406,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387,321.80 : 15,580,982.70 = 5,604,352.80 : x
  2. Step 2: Convert to fraction form
    10,387,321.80/15,580,982.70 = 5,604,352.80/x
  3. Step 3: Cross multiply
    10,387,321.80x = 15,580,982.70 × 5,604,352.80
  4. Step 4: Simplify right side
    10,387,321.80x = 87,321,324,021,496.55
  5. Step 5: Solve for x
    x = 87,321,324,021,496.55/10,387,321.80
  6. Step 6: Final answer
    x = 8,406,529.20

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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.