Home / 8,193,490.70-12,290,826.53-3,144,801.20

Finding the Fourth Proportional to 8,193,490.70, 12,290,826.53 and 3,144,801.20

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Solution

The fourth proportional to 8,193,490.70, 12,290,826.53 and 3,144,801.20 is: 4,717,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193,490.70 : 12,290,826.53 = 3,144,801.20 : x
  2. Step 2: Convert to fraction form
    8,193,490.70/12,290,826.53 = 3,144,801.20/x
  3. Step 3: Cross multiply
    8,193,490.70x = 12,290,826.53 × 3,144,801.20
  4. Step 4: Simplify right side
    8,193,490.70x = 38,652,205,943,357.70
  5. Step 5: Solve for x
    x = 38,652,205,943,357.70/8,193,490.70
  6. Step 6: Final answer
    x = 4,717,428.43

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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.