Home / 15,534,876.27-21,447,313.92-13,811,225.43

Finding the Fourth Proportional to 15,534,876.27, 21,447,313.92 and 13,811,225.43

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Solution

The fourth proportional to 15,534,876.27, 21,447,313.92 and 13,811,225.43 is: 19,067,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534,876.27 : 21,447,313.92 = 13,811,225.43 : x
  2. Step 2: Convert to fraction form
    15,534,876.27/21,447,313.92 = 13,811,225.43/x
  3. Step 3: Cross multiply
    15,534,876.27x = 21,447,313.92 × 13,811,225.43
  4. Step 4: Simplify right side
    15,534,876.27x = 296,213,687,417,097
  5. Step 5: Solve for x
    x = 296,213,687,417,097/15,534,876.27
  6. Step 6: Final answer
    x = 19,067,656.69

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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.