Home / 21,774,218.40-32,673,769.20-8,320,701.60

Finding the Fourth Proportional to 21,774,218.40, 32,673,769.20 and 8,320,701.60

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Solution

The fourth proportional to 21,774,218.40, 32,673,769.20 and 8,320,701.60 is: 12,485,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,774,218.40 : 32,673,769.20 = 8,320,701.60 : x
  2. Step 2: Convert to fraction form
    21,774,218.40/32,673,769.20 = 8,320,701.60/x
  3. Step 3: Cross multiply
    21,774,218.40x = 32,673,769.20 × 8,320,701.60
  4. Step 4: Simplify right side
    21,774,218.40x = 271,868,683,660,470.69
  5. Step 5: Solve for x
    x = 271,868,683,660,470.69/21,774,218.40
  6. Step 6: Final answer
    x = 12,485,806.78

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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.