Home / 14,211,056.70-21,288,591.45-13,203,287.10

Finding the Fourth Proportional to 14,211,056.70, 21,288,591.45 and 13,203,287.10

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Solution

The fourth proportional to 14,211,056.70, 21,288,591.45 and 13,203,287.10 is: 19,778,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211,056.70 : 21,288,591.45 = 13,203,287.10 : x
  2. Step 2: Convert to fraction form
    14,211,056.70/21,288,591.45 = 13,203,287.10/x
  3. Step 3: Cross multiply
    14,211,056.70x = 21,288,591.45 × 13,203,287.10
  4. Step 4: Simplify right side
    14,211,056.70x = 281,079,384,868,955.28
  5. Step 5: Solve for x
    x = 281,079,384,868,955.28/14,211,056.70
  6. Step 6: Final answer
    x = 19,778,922.20

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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.