Home / 8,495,870.90-12,722,811.15-5,640,523.70

Finding the Fourth Proportional to 8,495,870.90, 12,722,811.15 and 5,640,523.70

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Solution

The fourth proportional to 8,495,870.90, 12,722,811.15 and 5,640,523.70 is: 8,446,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495,870.90 : 12,722,811.15 = 5,640,523.70 : x
  2. Step 2: Convert to fraction form
    8,495,870.90/12,722,811.15 = 5,640,523.70/x
  3. Step 3: Cross multiply
    8,495,870.90x = 12,722,811.15 × 5,640,523.70
  4. Step 4: Simplify right side
    8,495,870.90x = 71,763,317,822,199.27
  5. Step 5: Solve for x
    x = 71,763,317,822,199.27/8,495,870.90
  6. Step 6: Final answer
    x = 8,446,846.55

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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.