Home / 7,540,657.44-10,408,392.72-5,127,609.12

Finding the Fourth Proportional to 7,540,657.44, 10,408,392.72 and 5,127,609.12

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Solution

The fourth proportional to 7,540,657.44, 10,408,392.72 and 5,127,609.12 is: 7,077,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540,657.44 : 10,408,392.72 = 5,127,609.12 : x
  2. Step 2: Convert to fraction form
    7,540,657.44/10,408,392.72 = 5,127,609.12/x
  3. Step 3: Cross multiply
    7,540,657.44x = 10,408,392.72 × 5,127,609.12
  4. Step 4: Simplify right side
    7,540,657.44x = 53,370,169,435,613.61
  5. Step 5: Solve for x
    x = 53,370,169,435,613.61/7,540,657.44
  6. Step 6: Final answer
    x = 7,077,654.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.