Home / 39,279,483.40-58,915,589.76-18,525,162.70

Finding the Fourth Proportional to 39,279,483.40, 58,915,589.76 and 18,525,162.70

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Solution

The fourth proportional to 39,279,483.40, 58,915,589.76 and 18,525,162.70 is: 27,786,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279,483.40 : 58,915,589.76 = 18,525,162.70 : x
  2. Step 2: Convert to fraction form
    39,279,483.40/58,915,589.76 = 18,525,162.70/x
  3. Step 3: Cross multiply
    39,279,483.40x = 58,915,589.76 × 18,525,162.70
  4. Step 4: Simplify right side
    39,279,483.40x = 1,091,420,885,870,453.88
  5. Step 5: Solve for x
    x = 1,091,420,885,870,453.88/39,279,483.40
  6. Step 6: Final answer
    x = 27,786,029.53

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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.