Home / 21,598,179.20-29,805,770.02-11,808,634.65

Finding the Fourth Proportional to 21,598,179.20, 29,805,770.02 and 11,808,634.65

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Solution

The fourth proportional to 21,598,179.20, 29,805,770.02 and 11,808,634.65 is: 16,296,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,598,179.20 : 29,805,770.02 = 11,808,634.65 : x
  2. Step 2: Convert to fraction form
    21,598,179.20/29,805,770.02 = 11,808,634.65/x
  3. Step 3: Cross multiply
    21,598,179.20x = 29,805,770.02 × 11,808,634.65
  4. Step 4: Simplify right side
    21,598,179.20x = 351,965,448,508,951.19
  5. Step 5: Solve for x
    x = 351,965,448,508,951.19/21,598,179.20
  6. Step 6: Final answer
    x = 16,296,070.39

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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.