Home / 7,126,078.40-10,689,117.60-6,706,174.40

Finding the Fourth Proportional to 7,126,078.40, 10,689,117.60 and 6,706,174.40

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Solution

The fourth proportional to 7,126,078.40, 10,689,117.60 and 6,706,174.40 is: 10,059,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126,078.40 : 10,689,117.60 = 6,706,174.40 : x
  2. Step 2: Convert to fraction form
    7,126,078.40/10,689,117.60 = 6,706,174.40/x
  3. Step 3: Cross multiply
    7,126,078.40x = 10,689,117.60 × 6,706,174.40
  4. Step 4: Simplify right side
    7,126,078.40x = 71,683,086,807,709.44
  5. Step 5: Solve for x
    x = 71,683,086,807,709.44/7,126,078.40
  6. Step 6: Final answer
    x = 10,059,261.60

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Double scale
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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.