Home / 15,189,332.06-20,964,266.16-11,511,834.19

Finding the Fourth Proportional to 15,189,332.06, 20,964,266.16 and 11,511,834.19

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Solution

The fourth proportional to 15,189,332.06, 20,964,266.16 and 11,511,834.19 is: 15,888,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189,332.06 : 20,964,266.16 = 11,511,834.19 : x
  2. Step 2: Convert to fraction form
    15,189,332.06/20,964,266.16 = 11,511,834.19/x
  3. Step 3: Cross multiply
    15,189,332.06x = 20,964,266.16 × 11,511,834.19
  4. Step 4: Simplify right side
    15,189,332.06x = 241,337,155,844,126.69
  5. Step 5: Solve for x
    x = 241,337,155,844,126.69/15,189,332.06
  6. Step 6: Final answer
    x = 15,888,595.69

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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.