Home / 8,520,696.60-12,781,109.70-2,840,911.80

Finding the Fourth Proportional to 8,520,696.60, 12,781,109.70 and 2,840,911.80

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Solution

The fourth proportional to 8,520,696.60, 12,781,109.70 and 2,840,911.80 is: 4,261,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,696.60 : 12,781,109.70 = 2,840,911.80 : x
  2. Step 2: Convert to fraction form
    8,520,696.60/12,781,109.70 = 2,840,911.80/x
  3. Step 3: Cross multiply
    8,520,696.60x = 12,781,109.70 × 2,840,911.80
  4. Step 4: Simplify right side
    8,520,696.60x = 36,310,005,363,824.45
  5. Step 5: Solve for x
    x = 36,310,005,363,824.45/8,520,696.60
  6. Step 6: Final answer
    x = 4,261,389.31

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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.