Home / 18,150,685.68-25,047,624.84-9,890,820.96

Finding the Fourth Proportional to 18,150,685.68, 25,047,624.84 and 9,890,820.96

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Solution

The fourth proportional to 18,150,685.68, 25,047,624.84 and 9,890,820.96 is: 13,649,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150,685.68 : 25,047,624.84 = 9,890,820.96 : x
  2. Step 2: Convert to fraction form
    18,150,685.68/25,047,624.84 = 9,890,820.96/x
  3. Step 3: Cross multiply
    18,150,685.68x = 25,047,624.84 × 9,890,820.96
  4. Step 4: Simplify right side
    18,150,685.68x = 247,741,572,765,688.66
  5. Step 5: Solve for x
    x = 247,741,572,765,688.66/18,150,685.68
  6. Step 6: Final answer
    x = 13,649,157.79

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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.