Home / 15,674,456.33-21,633,932.01-9,059,325.78

Finding the Fourth Proportional to 15,674,456.33, 21,633,932.01 and 9,059,325.78

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Solution

The fourth proportional to 15,674,456.33, 21,633,932.01 and 9,059,325.78 is: 12,503,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674,456.33 : 21,633,932.01 = 9,059,325.78 : x
  2. Step 2: Convert to fraction form
    15,674,456.33/21,633,932.01 = 9,059,325.78/x
  3. Step 3: Cross multiply
    15,674,456.33x = 21,633,932.01 × 9,059,325.78
  4. Step 4: Simplify right side
    15,674,456.33x = 195,988,837,980,960.22
  5. Step 5: Solve for x
    x = 195,988,837,980,960.22/15,674,456.33
  6. Step 6: Final answer
    x = 12,503,708.83

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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.