Home / 21,625,535.48-29,842,024.74-11,835,959.72

Finding the Fourth Proportional to 21,625,535.48, 29,842,024.74 and 11,835,959.72

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Solution

The fourth proportional to 21,625,535.48, 29,842,024.74 and 11,835,959.72 is: 16,332,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625,535.48 : 29,842,024.74 = 11,835,959.72 : x
  2. Step 2: Convert to fraction form
    21,625,535.48/29,842,024.74 = 11,835,959.72/x
  3. Step 3: Cross multiply
    21,625,535.48x = 29,842,024.74 × 11,835,959.72
  4. Step 4: Simplify right side
    21,625,535.48x = 353,209,002,785,883.50
  5. Step 5: Solve for x
    x = 353,209,002,785,883.50/21,625,535.48
  6. Step 6: Final answer
    x = 16,332,959.85

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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.