Home / 21,407,793.60-32,068,144.80-13,295,870.40

Finding the Fourth Proportional to 21,407,793.60, 32,068,144.80 and 13,295,870.40

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Solution

The fourth proportional to 21,407,793.60, 32,068,144.80 and 13,295,870.40 is: 19,916,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407,793.60 : 32,068,144.80 = 13,295,870.40 : x
  2. Step 2: Convert to fraction form
    21,407,793.60/32,068,144.80 = 13,295,870.40/x
  3. Step 3: Cross multiply
    21,407,793.60x = 32,068,144.80 × 13,295,870.40
  4. Step 4: Simplify right side
    21,407,793.60x = 426,373,897,229,233.94
  5. Step 5: Solve for x
    x = 426,373,897,229,233.94/21,407,793.60
  6. Step 6: Final answer
    x = 19,916,760.47

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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.