Home / 28,545,511.19-39,392,843.46-15,492,770.11

Finding the Fourth Proportional to 28,545,511.19, 39,392,843.46 and 15,492,770.11

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Solution

The fourth proportional to 28,545,511.19, 39,392,843.46 and 15,492,770.11 is: 21,380,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,511.19 : 39,392,843.46 = 15,492,770.11 : x
  2. Step 2: Convert to fraction form
    28,545,511.19/39,392,843.46 = 15,492,770.11/x
  3. Step 3: Cross multiply
    28,545,511.19x = 39,392,843.46 × 15,492,770.11
  4. Step 4: Simplify right side
    28,545,511.19x = 610,304,267,430,568.88
  5. Step 5: Solve for x
    x = 610,304,267,430,568.88/28,545,511.19
  6. Step 6: Final answer
    x = 21,380,043.38

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Double scale
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1.5x scale

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.