Home / 12,932,334.13-19,398,959.49-3,216,997.78

Finding the Fourth Proportional to 12,932,334.13, 19,398,959.49 and 3,216,997.78

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Solution

The fourth proportional to 12,932,334.13, 19,398,959.49 and 3,216,997.78 is: 4,825,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932,334.13 : 19,398,959.49 = 3,216,997.78 : x
  2. Step 2: Convert to fraction form
    12,932,334.13/19,398,959.49 = 3,216,997.78/x
  3. Step 3: Cross multiply
    12,932,334.13x = 19,398,959.49 × 3,216,997.78
  4. Step 4: Simplify right side
    12,932,334.13x = 62,406,409,613,639.92
  5. Step 5: Solve for x
    x = 62,406,409,613,639.92/12,932,334.13
  6. Step 6: Final answer
    x = 4,825,610.67

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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.