Home / 39,279,479.40-58,915,583.75-18,525,158.69

Finding the Fourth Proportional to 39,279,479.40, 58,915,583.75 and 18,525,158.69

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Solution

The fourth proportional to 39,279,479.40, 58,915,583.75 and 18,525,158.69 is: 27,786,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279,479.40 : 58,915,583.75 = 18,525,158.69 : x
  2. Step 2: Convert to fraction form
    39,279,479.40/58,915,583.75 = 18,525,158.69/x
  3. Step 3: Cross multiply
    39,279,479.40x = 58,915,583.75 × 18,525,158.69
  4. Step 4: Simplify right side
    39,279,479.40x = 1,091,420,538,034,470.12
  5. Step 5: Solve for x
    x = 1,091,420,538,034,470.12/39,279,479.40
  6. Step 6: Final answer
    x = 27,786,023.51

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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.