Home / 6,870,147.60-10,305,221.40-6,712,683.60

Finding the Fourth Proportional to 6,870,147.60, 10,305,221.40 and 6,712,683.60

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Solution

The fourth proportional to 6,870,147.60, 10,305,221.40 and 6,712,683.60 is: 10,069,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,147.60 : 10,305,221.40 = 6,712,683.60 : x
  2. Step 2: Convert to fraction form
    6,870,147.60/10,305,221.40 = 6,712,683.60/x
  3. Step 3: Cross multiply
    6,870,147.60x = 10,305,221.40 × 6,712,683.60
  4. Step 4: Simplify right side
    6,870,147.60x = 69,175,690,686,149.04
  5. Step 5: Solve for x
    x = 69,175,690,686,149.04/6,870,147.60
  6. Step 6: Final answer
    x = 10,069,025.40

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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.