Home / 10,071,550.40-15,107,325.60-8,701,613.60

Finding the Fourth Proportional to 10,071,550.40, 15,107,325.60 and 8,701,613.60

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Solution

The fourth proportional to 10,071,550.40, 15,107,325.60 and 8,701,613.60 is: 13,052,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,550.40 : 15,107,325.60 = 8,701,613.60 : x
  2. Step 2: Convert to fraction form
    10,071,550.40/15,107,325.60 = 8,701,613.60/x
  3. Step 3: Cross multiply
    10,071,550.40x = 15,107,325.60 × 8,701,613.60
  4. Step 4: Simplify right side
    10,071,550.40x = 131,458,109,900,588.16
  5. Step 5: Solve for x
    x = 131,458,109,900,588.16/10,071,550.40
  6. Step 6: Final answer
    x = 13,052,420.40

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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.