Home / 21,409,901.44-29,545,752.72-11,620,359.76

Finding the Fourth Proportional to 21,409,901.44, 29,545,752.72 and 11,620,359.76

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Solution

The fourth proportional to 21,409,901.44, 29,545,752.72 and 11,620,359.76 is: 16,036,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,901.44 : 29,545,752.72 = 11,620,359.76 : x
  2. Step 2: Convert to fraction form
    21,409,901.44/29,545,752.72 = 11,620,359.76/x
  3. Step 3: Cross multiply
    21,409,901.44x = 29,545,752.72 × 11,620,359.76
  4. Step 4: Simplify right side
    21,409,901.44x = 343,332,275,986,398.50
  5. Step 5: Solve for x
    x = 343,332,275,986,398.50/21,409,901.44
  6. Step 6: Final answer
    x = 16,036,144.63

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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.