Home / 26,291,243.20-39,436,864.80-19,913,951.20

Finding the Fourth Proportional to 26,291,243.20, 39,436,864.80 and 19,913,951.20

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Solution

The fourth proportional to 26,291,243.20, 39,436,864.80 and 19,913,951.20 is: 29,870,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,291,243.20 : 39,436,864.80 = 19,913,951.20 : x
  2. Step 2: Convert to fraction form
    26,291,243.20/39,436,864.80 = 19,913,951.20/x
  3. Step 3: Cross multiply
    26,291,243.20x = 39,436,864.80 × 19,913,951.20
  4. Step 4: Simplify right side
    26,291,243.20x = 785,343,801,108,197.62
  5. Step 5: Solve for x
    x = 785,343,801,108,197.62/26,291,243.20
  6. Step 6: Final answer
    x = 29,870,926.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.