Home / 13,337,041.25-18,405,135.68-7,225,469.75

Finding the Fourth Proportional to 13,337,041.25, 18,405,135.68 and 7,225,469.75

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Solution

The fourth proportional to 13,337,041.25, 18,405,135.68 and 7,225,469.75 is: 9,971,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,041.25 : 18,405,135.68 = 7,225,469.75 : x
  2. Step 2: Convert to fraction form
    13,337,041.25/18,405,135.68 = 7,225,469.75/x
  3. Step 3: Cross multiply
    13,337,041.25x = 18,405,135.68 × 7,225,469.75
  4. Step 4: Simplify right side
    13,337,041.25x = 132,985,751,110,371.19
  5. Step 5: Solve for x
    x = 132,985,751,110,371.19/13,337,041.25
  6. Step 6: Final answer
    x = 9,971,158.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.