Home / 25,436,796.39-38,155,430.77-7,240,990.92

Finding the Fourth Proportional to 25,436,796.39, 38,155,430.77 and 7,240,990.92

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Solution

The fourth proportional to 25,436,796.39, 38,155,430.77 and 7,240,990.92 is: 10,861,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436,796.39 : 38,155,430.77 = 7,240,990.92 : x
  2. Step 2: Convert to fraction form
    25,436,796.39/38,155,430.77 = 7,240,990.92/x
  3. Step 3: Cross multiply
    25,436,796.39x = 38,155,430.77 × 7,240,990.92
  4. Step 4: Simplify right side
    25,436,796.39x = 276,283,127,593,073.25
  5. Step 5: Solve for x
    x = 276,283,127,593,073.25/25,436,796.39
  6. Step 6: Final answer
    x = 10,861,553.61

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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.