Home / 12,481,251.40-18,721,877.10-5,762,787.40

Finding the Fourth Proportional to 12,481,251.40, 18,721,877.10 and 5,762,787.40

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Solution

The fourth proportional to 12,481,251.40, 18,721,877.10 and 5,762,787.40 is: 8,644,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,251.40 : 18,721,877.10 = 5,762,787.40 : x
  2. Step 2: Convert to fraction form
    12,481,251.40/18,721,877.10 = 5,762,787.40/x
  3. Step 3: Cross multiply
    12,481,251.40x = 18,721,877.10 × 5,762,787.40
  4. Step 4: Simplify right side
    12,481,251.40x = 107,890,197,456,228.56
  5. Step 5: Solve for x
    x = 107,890,197,456,228.56/12,481,251.40
  6. Step 6: Final answer
    x = 8,644,181.10

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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.