Home / 20,343,295.28-28,075,321.32-11,644,196.96

Finding the Fourth Proportional to 20,343,295.28, 28,075,321.32 and 11,644,196.96

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Solution

The fourth proportional to 20,343,295.28, 28,075,321.32 and 11,644,196.96 is: 16,069,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,295.28 : 28,075,321.32 = 11,644,196.96 : x
  2. Step 2: Convert to fraction form
    20,343,295.28/28,075,321.32 = 11,644,196.96/x
  3. Step 3: Cross multiply
    20,343,295.28x = 28,075,321.32 × 11,644,196.96
  4. Step 4: Simplify right side
    20,343,295.28x = 326,914,571,165,367.19
  5. Step 5: Solve for x
    x = 326,914,571,165,367.19/20,343,295.28
  6. Step 6: Final answer
    x = 16,069,892.64

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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.