Home / 13,186,560.68-18,197,212.89-7,306,173.42

Finding the Fourth Proportional to 13,186,560.68, 18,197,212.89 and 7,306,173.42

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Solution

The fourth proportional to 13,186,560.68, 18,197,212.89 and 7,306,173.42 is: 10,082,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,560.68 : 18,197,212.89 = 7,306,173.42 : x
  2. Step 2: Convert to fraction form
    13,186,560.68/18,197,212.89 = 7,306,173.42/x
  3. Step 3: Cross multiply
    13,186,560.68x = 18,197,212.89 × 7,306,173.42
  4. Step 4: Simplify right side
    13,186,560.68x = 132,951,993,134,999.39
  5. Step 5: Solve for x
    x = 132,951,993,134,999.39/13,186,560.68
  6. Step 6: Final answer
    x = 10,082,385.87

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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.