Home / 21,649,400.65-29,876,209.09-11,859,631.40

Finding the Fourth Proportional to 21,649,400.65, 29,876,209.09 and 11,859,631.40

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Solution

The fourth proportional to 21,649,400.65, 29,876,209.09 and 11,859,631.40 is: 16,366,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,400.65 : 29,876,209.09 = 11,859,631.40 : x
  2. Step 2: Convert to fraction form
    21,649,400.65/29,876,209.09 = 11,859,631.40/x
  3. Step 3: Cross multiply
    21,649,400.65x = 29,876,209.09 × 11,859,631.40
  4. Step 4: Simplify right side
    21,649,400.65x = 354,320,827,481,770.88
  5. Step 5: Solve for x
    x = 354,320,827,481,770.88/21,649,400.65
  6. Step 6: Final answer
    x = 16,366,311.16

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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.