Home / 8,311,569.30-12,476,685.15-6,426,666.90

Finding the Fourth Proportional to 8,311,569.30, 12,476,685.15 and 6,426,666.90

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Solution

The fourth proportional to 8,311,569.30, 12,476,685.15 and 6,426,666.90 is: 9,647,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,569.30 : 12,476,685.15 = 6,426,666.90 : x
  2. Step 2: Convert to fraction form
    8,311,569.30/12,476,685.15 = 6,426,666.90/x
  3. Step 3: Cross multiply
    8,311,569.30x = 12,476,685.15 × 6,426,666.90
  4. Step 4: Simplify right side
    8,311,569.30x = 80,183,499,475,226.55
  5. Step 5: Solve for x
    x = 80,183,499,475,226.55/8,311,569.30
  6. Step 6: Final answer
    x = 9,647,215.42

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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.