Home / 20,343,293.28-28,075,318.56-11,644,194.96

Finding the Fourth Proportional to 20,343,293.28, 28,075,318.56 and 11,644,194.96

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Solution

The fourth proportional to 20,343,293.28, 28,075,318.56 and 11,644,194.96 is: 16,069,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,293.28 : 28,075,318.56 = 11,644,194.96 : x
  2. Step 2: Convert to fraction form
    20,343,293.28/28,075,318.56 = 11,644,194.96/x
  3. Step 3: Cross multiply
    20,343,293.28x = 28,075,318.56 × 11,644,194.96
  4. Step 4: Simplify right side
    20,343,293.28x = 326,914,482,876,746.44
  5. Step 5: Solve for x
    x = 326,914,482,876,746.44/20,343,293.28
  6. Step 6: Final answer
    x = 16,069,889.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.