Home / 8,352,910.40-12,529,365.60-7,855,246.40

Finding the Fourth Proportional to 8,352,910.40, 12,529,365.60 and 7,855,246.40

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Solution

The fourth proportional to 8,352,910.40, 12,529,365.60 and 7,855,246.40 is: 11,782,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352,910.40 : 12,529,365.60 = 7,855,246.40 : x
  2. Step 2: Convert to fraction form
    8,352,910.40/12,529,365.60 = 7,855,246.40/x
  3. Step 3: Cross multiply
    8,352,910.40x = 12,529,365.60 × 7,855,246.40
  4. Step 4: Simplify right side
    8,352,910.40x = 98,421,254,023,683.84
  5. Step 5: Solve for x
    x = 98,421,254,023,683.84/8,352,910.40
  6. Step 6: Final answer
    x = 11,782,869.60

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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.