Home / 28,381,556.80-42,577,864.80-11,339,329.60

Finding the Fourth Proportional to 28,381,556.80, 42,577,864.80 and 11,339,329.60

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Solution

The fourth proportional to 28,381,556.80, 42,577,864.80 and 11,339,329.60 is: 17,011,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381,556.80 : 42,577,864.80 = 11,339,329.60 : x
  2. Step 2: Convert to fraction form
    28,381,556.80/42,577,864.80 = 11,339,329.60/x
  3. Step 3: Cross multiply
    28,381,556.80x = 42,577,864.80 × 11,339,329.60
  4. Step 4: Simplify right side
    28,381,556.80x = 482,804,442,631,438
  5. Step 5: Solve for x
    x = 482,804,442,631,438/28,381,556.80
  6. Step 6: Final answer
    x = 17,011,203.65

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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.