Home / 8,755,998.80-13,133,998.20-5,379,256.40

Finding the Fourth Proportional to 8,755,998.80, 13,133,998.20 and 5,379,256.40

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Solution

The fourth proportional to 8,755,998.80, 13,133,998.20 and 5,379,256.40 is: 8,068,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755,998.80 : 13,133,998.20 = 5,379,256.40 : x
  2. Step 2: Convert to fraction form
    8,755,998.80/13,133,998.20 = 5,379,256.40/x
  3. Step 3: Cross multiply
    8,755,998.80x = 13,133,998.20 × 5,379,256.40
  4. Step 4: Simplify right side
    8,755,998.80x = 70,651,143,874,938.48
  5. Step 5: Solve for x
    x = 70,651,143,874,938.48/8,755,998.80
  6. Step 6: Final answer
    x = 8,068,884.60

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Similar ratio
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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.