Home / 12,436,924.97-18,655,387.46-4,858,576.31

Finding the Fourth Proportional to 12,436,924.97, 18,655,387.46 and 4,858,576.31

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Solution

The fourth proportional to 12,436,924.97, 18,655,387.46 and 4,858,576.31 is: 7,287,864.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,924.97 : 18,655,387.46 = 4,858,576.31 : x
  2. Step 2: Convert to fraction form
    12,436,924.97/18,655,387.46 = 4,858,576.31/x
  3. Step 3: Cross multiply
    12,436,924.97x = 18,655,387.46 × 4,858,576.31
  4. Step 4: Simplify right side
    12,436,924.97x = 90,638,623,607,592.31
  5. Step 5: Solve for x
    x = 90,638,623,607,592.31/12,436,924.97
  6. Step 6: Final answer
    x = 7,287,864.47

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.