Home / 28,005,280.20-38,649,837.29-16,994,831.13

Finding the Fourth Proportional to 28,005,280.20, 38,649,837.29 and 16,994,831.13

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Solution

The fourth proportional to 28,005,280.20, 38,649,837.29 and 16,994,831.13 is: 23,454,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005,280.20 : 38,649,837.29 = 16,994,831.13 : x
  2. Step 2: Convert to fraction form
    28,005,280.20/38,649,837.29 = 16,994,831.13/x
  3. Step 3: Cross multiply
    28,005,280.20x = 38,649,837.29 × 16,994,831.13
  4. Step 4: Simplify right side
    28,005,280.20x = 656,847,457,860,552.62
  5. Step 5: Solve for x
    x = 656,847,457,860,552.62/28,005,280.20
  6. Step 6: Final answer
    x = 23,454,414.78

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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.