Home / 8,214,095.40-12,321,143.10-3,665,135.40

Finding the Fourth Proportional to 8,214,095.40, 12,321,143.10 and 3,665,135.40

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Solution

The fourth proportional to 8,214,095.40, 12,321,143.10 and 3,665,135.40 is: 5,497,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214,095.40 : 12,321,143.10 = 3,665,135.40 : x
  2. Step 2: Convert to fraction form
    8,214,095.40/12,321,143.10 = 3,665,135.40/x
  3. Step 3: Cross multiply
    8,214,095.40x = 12,321,143.10 × 3,665,135.40
  4. Step 4: Simplify right side
    8,214,095.40x = 45,158,657,744,275.73
  5. Step 5: Solve for x
    x = 45,158,657,744,275.73/8,214,095.40
  6. Step 6: Final answer
    x = 5,497,703.10

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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.