Home / 14,364,489.60-21,546,734.40-8,979,220.80

Finding the Fourth Proportional to 14,364,489.60, 21,546,734.40 and 8,979,220.80

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Solution

The fourth proportional to 14,364,489.60, 21,546,734.40 and 8,979,220.80 is: 13,468,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364,489.60 : 21,546,734.40 = 8,979,220.80 : x
  2. Step 2: Convert to fraction form
    14,364,489.60/21,546,734.40 = 8,979,220.80/x
  3. Step 3: Cross multiply
    14,364,489.60x = 21,546,734.40 × 8,979,220.80
  4. Step 4: Simplify right side
    14,364,489.60x = 193,472,885,696,555.53
  5. Step 5: Solve for x
    x = 193,472,885,696,555.53/14,364,489.60
  6. Step 6: Final answer
    x = 13,468,831.20

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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.