Home / 20,371,020.80-28,112,596.80-11,204,251.52

Finding the Fourth Proportional to 20,371,020.80, 28,112,596.80 and 11,204,251.52

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Solution

The fourth proportional to 20,371,020.80, 28,112,596.80 and 11,204,251.52 is: 15,462,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371,020.80 : 28,112,596.80 = 11,204,251.52 : x
  2. Step 2: Convert to fraction form
    20,371,020.80/28,112,596.80 = 11,204,251.52/x
  3. Step 3: Cross multiply
    20,371,020.80x = 28,112,596.80 × 11,204,251.52
  4. Step 4: Simplify right side
    20,371,020.80x = 314,980,605,427,547.12
  5. Step 5: Solve for x
    x = 314,980,605,427,547.12/20,371,020.80
  6. Step 6: Final answer
    x = 15,462,190.56

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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.