Home / 21,914,947.20-32,872,420.80-9,947,683.20

Finding the Fourth Proportional to 21,914,947.20, 32,872,420.80 and 9,947,683.20

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Solution

The fourth proportional to 21,914,947.20, 32,872,420.80 and 9,947,683.20 is: 14,921,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914,947.20 : 32,872,420.80 = 9,947,683.20 : x
  2. Step 2: Convert to fraction form
    21,914,947.20/32,872,420.80 = 9,947,683.20/x
  3. Step 3: Cross multiply
    21,914,947.20x = 32,872,420.80 × 9,947,683.20
  4. Step 4: Simplify right side
    21,914,947.20x = 327,004,428,135,490.56
  5. Step 5: Solve for x
    x = 327,004,428,135,490.56/21,914,947.20
  6. Step 6: Final answer
    x = 14,921,524.80

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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.