Home / 13,337,049.20-18,405,146.57-7,225,477.70

Finding the Fourth Proportional to 13,337,049.20, 18,405,146.57 and 7,225,477.70

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Solution

The fourth proportional to 13,337,049.20, 18,405,146.57 and 7,225,477.70 is: 9,971,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,049.20 : 18,405,146.57 = 7,225,477.70 : x
  2. Step 2: Convert to fraction form
    13,337,049.20/18,405,146.57 = 7,225,477.70/x
  3. Step 3: Cross multiply
    13,337,049.20x = 18,405,146.57 × 7,225,477.70
  4. Step 4: Simplify right side
    13,337,049.20x = 132,985,975,978,613.39
  5. Step 5: Solve for x
    x = 132,985,975,978,613.39/13,337,049.20
  6. Step 6: Final answer
    x = 9,971,169.34

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1.5x scale

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.