Home / 8,341,856.70-12,512,785.05-6,550,266.30

Finding the Fourth Proportional to 8,341,856.70, 12,512,785.05 and 6,550,266.30

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Solution

The fourth proportional to 8,341,856.70, 12,512,785.05 and 6,550,266.30 is: 9,825,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341,856.70 : 12,512,785.05 = 6,550,266.30 : x
  2. Step 2: Convert to fraction form
    8,341,856.70/12,512,785.05 = 6,550,266.30/x
  3. Step 3: Cross multiply
    8,341,856.70x = 12,512,785.05 × 6,550,266.30
  4. Step 4: Simplify right side
    8,341,856.70x = 81,962,074,232,158.81
  5. Step 5: Solve for x
    x = 81,962,074,232,158.81/8,341,856.70
  6. Step 6: Final answer
    x = 9,825,399.45

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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.