Home / 8,981,543.80-13,472,315.70-7,989,520.60

Finding the Fourth Proportional to 8,981,543.80, 13,472,315.70 and 7,989,520.60

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Solution

The fourth proportional to 8,981,543.80, 13,472,315.70 and 7,989,520.60 is: 11,984,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981,543.80 : 13,472,315.70 = 7,989,520.60 : x
  2. Step 2: Convert to fraction form
    8,981,543.80/13,472,315.70 = 7,989,520.60/x
  3. Step 3: Cross multiply
    8,981,543.80x = 13,472,315.70 × 7,989,520.60
  4. Step 4: Simplify right side
    8,981,543.80x = 107,637,343,814,853.41
  5. Step 5: Solve for x
    x = 107,637,343,814,853.41/8,981,543.80
  6. Step 6: Final answer
    x = 11,984,280.90

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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.