Home / 21,649,323.90-29,876,103.01-11,859,554.65

Finding the Fourth Proportional to 21,649,323.90, 29,876,103.01 and 11,859,554.65

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Solution

The fourth proportional to 21,649,323.90, 29,876,103.01 and 11,859,554.65 is: 16,366,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,323.90 : 29,876,103.01 = 11,859,554.65 : x
  2. Step 2: Convert to fraction form
    21,649,323.90/29,876,103.01 = 11,859,554.65/x
  3. Step 3: Cross multiply
    21,649,323.90x = 29,876,103.01 × 11,859,554.65
  4. Step 4: Simplify right side
    21,649,323.90x = 354,317,276,376,124.50
  5. Step 5: Solve for x
    x = 354,317,276,376,124.50/21,649,323.90
  6. Step 6: Final answer
    x = 16,366,205.15

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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.