Home / 10,935,859.20-16,403,788.80-4,870,579.20

Finding the Fourth Proportional to 10,935,859.20, 16,403,788.80 and 4,870,579.20

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Solution

The fourth proportional to 10,935,859.20, 16,403,788.80 and 4,870,579.20 is: 7,305,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935,859.20 : 16,403,788.80 = 4,870,579.20 : x
  2. Step 2: Convert to fraction form
    10,935,859.20/16,403,788.80 = 4,870,579.20/x
  3. Step 3: Cross multiply
    10,935,859.20x = 16,403,788.80 × 4,870,579.20
  4. Step 4: Simplify right side
    10,935,859.20x = 79,895,952,530,472.97
  5. Step 5: Solve for x
    x = 79,895,952,530,472.97/10,935,859.20
  6. Step 6: Final answer
    x = 7,305,868.80

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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.