Home / 20,894,112.46-28,833,875.13-11,726,755.21

Finding the Fourth Proportional to 20,894,112.46, 28,833,875.13 and 11,726,755.21

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Solution

The fourth proportional to 20,894,112.46, 28,833,875.13 and 11,726,755.21 is: 16,182,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894,112.46 : 28,833,875.13 = 11,726,755.21 : x
  2. Step 2: Convert to fraction form
    20,894,112.46/28,833,875.13 = 11,726,755.21/x
  3. Step 3: Cross multiply
    20,894,112.46x = 28,833,875.13 × 11,726,755.21
  4. Step 4: Simplify right side
    20,894,112.46x = 338,127,795,405,216.94
  5. Step 5: Solve for x
    x = 338,127,795,405,216.94/20,894,112.46
  6. Step 6: Final answer
    x = 16,182,922.15

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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.