Home / 21,685,118.22-29,925,508.56-11,895,641.46

Finding the Fourth Proportional to 21,685,118.22, 29,925,508.56 and 11,895,641.46

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Solution

The fourth proportional to 21,685,118.22, 29,925,508.56 and 11,895,641.46 is: 16,416,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,685,118.22 : 29,925,508.56 = 11,895,641.46 : x
  2. Step 2: Convert to fraction form
    21,685,118.22/29,925,508.56 = 11,895,641.46/x
  3. Step 3: Cross multiply
    21,685,118.22x = 29,925,508.56 × 11,895,641.46
  4. Step 4: Simplify right side
    21,685,118.22x = 355,983,120,337,920.94
  5. Step 5: Solve for x
    x = 355,983,120,337,920.94/21,685,118.22
  6. Step 6: Final answer
    x = 16,416,010.13

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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.