Home / 21,733,115.20-29,991,074.11-11,943,547.61

Finding the Fourth Proportional to 21,733,115.20, 29,991,074.11 and 11,943,547.61

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Solution

The fourth proportional to 21,733,115.20, 29,991,074.11 and 11,943,547.61 is: 16,481,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,733,115.20 : 29,991,074.11 = 11,943,547.61 : x
  2. Step 2: Convert to fraction form
    21,733,115.20/29,991,074.11 = 11,943,547.61/x
  3. Step 3: Cross multiply
    21,733,115.20x = 29,991,074.11 × 11,943,547.61
  4. Step 4: Simplify right side
    21,733,115.20x = 358,199,821,328,009.19
  5. Step 5: Solve for x
    x = 358,199,821,328,009.19/21,733,115.20
  6. Step 6: Final answer
    x = 16,481,752.30

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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.