Home / 8,521,726.70-12,789,847.65-3,476,657.90

Finding the Fourth Proportional to 8,521,726.70, 12,789,847.65 and 3,476,657.90

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Solution

The fourth proportional to 8,521,726.70, 12,789,847.65 and 3,476,657.90 is: 5,217,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,726.70 : 12,789,847.65 = 3,476,657.90 : x
  2. Step 2: Convert to fraction form
    8,521,726.70/12,789,847.65 = 3,476,657.90/x
  3. Step 3: Cross multiply
    8,521,726.70x = 12,789,847.65 × 3,476,657.90
  4. Step 4: Simplify right side
    8,521,726.70x = 44,465,924,872,168.94
  5. Step 5: Solve for x
    x = 44,465,924,872,168.94/8,521,726.70
  6. Step 6: Final answer
    x = 5,217,947.77

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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.