Home / 18,620,400.62-25,695,749.40-10,780,243.22

Finding the Fourth Proportional to 18,620,400.62, 25,695,749.40 and 10,780,243.22

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Solution

The fourth proportional to 18,620,400.62, 25,695,749.40 and 10,780,243.22 is: 14,876,502.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620,400.62 : 25,695,749.40 = 10,780,243.22 : x
  2. Step 2: Convert to fraction form
    18,620,400.62/25,695,749.40 = 10,780,243.22/x
  3. Step 3: Cross multiply
    18,620,400.62x = 25,695,749.40 × 10,780,243.22
  4. Step 4: Simplify right side
    18,620,400.62x = 277,006,428,252,169.06
  5. Step 5: Solve for x
    x = 277,006,428,252,169.06/18,620,400.62
  6. Step 6: Final answer
    x = 14,876,502.06

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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.