Home / 8,543,838.40-12,790,874.40-8,295,006.40

Finding the Fourth Proportional to 8,543,838.40, 12,790,874.40 and 8,295,006.40

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Solution

The fourth proportional to 8,543,838.40, 12,790,874.40 and 8,295,006.40 is: 12,418,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543,838.40 : 12,790,874.40 = 8,295,006.40 : x
  2. Step 2: Convert to fraction form
    8,543,838.40/12,790,874.40 = 8,295,006.40/x
  3. Step 3: Cross multiply
    8,543,838.40x = 12,790,874.40 × 8,295,006.40
  4. Step 4: Simplify right side
    8,543,838.40x = 106,100,385,009,596.17
  5. Step 5: Solve for x
    x = 106,100,385,009,596.17/8,543,838.40
  6. Step 6: Final answer
    x = 12,418,351.10

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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.