Home / 27,649,220.40-41,473,830.60-8,479,825.20

Finding the Fourth Proportional to 27,649,220.40, 41,473,830.60 and 8,479,825.20

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Solution

The fourth proportional to 27,649,220.40, 41,473,830.60 and 8,479,825.20 is: 12,719,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649,220.40 : 41,473,830.60 = 8,479,825.20 : x
  2. Step 2: Convert to fraction form
    27,649,220.40/41,473,830.60 = 8,479,825.20/x
  3. Step 3: Cross multiply
    27,649,220.40x = 41,473,830.60 × 8,479,825.20
  4. Step 4: Simplify right side
    27,649,220.40x = 351,690,833,862,411.12
  5. Step 5: Solve for x
    x = 351,690,833,862,411.12/27,649,220.40
  6. Step 6: Final answer
    x = 12,719,737.80

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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.