Home / 20,692,868.08-28,556,165.84-11,996,082.16

Finding the Fourth Proportional to 20,692,868.08, 28,556,165.84 and 11,996,082.16

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Solution

The fourth proportional to 20,692,868.08, 28,556,165.84 and 11,996,082.16 is: 16,554,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692,868.08 : 28,556,165.84 = 11,996,082.16 : x
  2. Step 2: Convert to fraction form
    20,692,868.08/28,556,165.84 = 11,996,082.16/x
  3. Step 3: Cross multiply
    20,692,868.08x = 28,556,165.84 × 11,996,082.16
  4. Step 4: Simplify right side
    20,692,868.08x = 342,562,111,591,225.44
  5. Step 5: Solve for x
    x = 342,562,111,591,225.44/20,692,868.08
  6. Step 6: Final answer
    x = 16,554,597.95

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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.