Home / 10,407,079.15-15,610,531.15-8,134,515.07

Finding the Fourth Proportional to 10,407,079.15, 15,610,531.15 and 8,134,515.07

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Solution

The fourth proportional to 10,407,079.15, 15,610,531.15 and 8,134,515.07 is: 12,201,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407,079.15 : 15,610,531.15 = 8,134,515.07 : x
  2. Step 2: Convert to fraction form
    10,407,079.15/15,610,531.15 = 8,134,515.07/x
  3. Step 3: Cross multiply
    10,407,079.15x = 15,610,531.15 × 8,134,515.07
  4. Step 4: Simplify right side
    10,407,079.15x = 126,984,100,791,990.50
  5. Step 5: Solve for x
    x = 126,984,100,791,990.50/10,407,079.15
  6. Step 6: Final answer
    x = 12,201,704.15

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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.