Home / 21,541,215.20-32,327,569.20-15,163,923.20

Finding the Fourth Proportional to 21,541,215.20, 32,327,569.20 and 15,163,923.20

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Solution

The fourth proportional to 21,541,215.20, 32,327,569.20 and 15,163,923.20 is: 22,756,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541,215.20 : 32,327,569.20 = 15,163,923.20 : x
  2. Step 2: Convert to fraction form
    21,541,215.20/32,327,569.20 = 15,163,923.20/x
  3. Step 3: Cross multiply
    21,541,215.20x = 32,327,569.20 × 15,163,923.20
  4. Step 4: Simplify right side
    21,541,215.20x = 490,212,776,591,485.38
  5. Step 5: Solve for x
    x = 490,212,776,591,485.38/21,541,215.20
  6. Step 6: Final answer
    x = 22,756,969.47

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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.