Home / 9,077,999.40-13,616,999.10-8,385,157.80

Finding the Fourth Proportional to 9,077,999.40, 13,616,999.10 and 8,385,157.80

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Solution

The fourth proportional to 9,077,999.40, 13,616,999.10 and 8,385,157.80 is: 12,577,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077,999.40 : 13,616,999.10 = 8,385,157.80 : x
  2. Step 2: Convert to fraction form
    9,077,999.40/13,616,999.10 = 8,385,157.80/x
  3. Step 3: Cross multiply
    9,077,999.40x = 13,616,999.10 × 8,385,157.80
  4. Step 4: Simplify right side
    9,077,999.40x = 114,180,686,215,957.97
  5. Step 5: Solve for x
    x = 114,180,686,215,957.97/9,077,999.40
  6. Step 6: Final answer
    x = 12,577,736.70

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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.