Home / 9,180,000.80-13,770,001.20-8,266,709.60

Finding the Fourth Proportional to 9,180,000.80, 13,770,001.20 and 8,266,709.60

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Solution

The fourth proportional to 9,180,000.80, 13,770,001.20 and 8,266,709.60 is: 12,400,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180,000.80 : 13,770,001.20 = 8,266,709.60 : x
  2. Step 2: Convert to fraction form
    9,180,000.80/13,770,001.20 = 8,266,709.60/x
  3. Step 3: Cross multiply
    9,180,000.80x = 13,770,001.20 × 8,266,709.60
  4. Step 4: Simplify right side
    9,180,000.80x = 113,832,601,112,051.52
  5. Step 5: Solve for x
    x = 113,832,601,112,051.52/9,180,000.80
  6. Step 6: Final answer
    x = 12,400,064.40

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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.