Home / 13,637,561.76-18,826,911.12-9,962,351.52

Finding the Fourth Proportional to 13,637,561.76, 18,826,911.12 and 9,962,351.52

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Solution

The fourth proportional to 13,637,561.76, 18,826,911.12 and 9,962,351.52 is: 13,753,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637,561.76 : 18,826,911.12 = 9,962,351.52 : x
  2. Step 2: Convert to fraction form
    13,637,561.76/18,826,911.12 = 9,962,351.52/x
  3. Step 3: Cross multiply
    13,637,561.76x = 18,826,911.12 × 9,962,351.52
  4. Step 4: Simplify right side
    13,637,561.76x = 187,560,306,613,236.91
  5. Step 5: Solve for x
    x = 187,560,306,613,236.91/13,637,561.76
  6. Step 6: Final answer
    x = 13,753,214.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.