Home / 8,340,683.40-12,511,025.10-5,135,416.20

Finding the Fourth Proportional to 8,340,683.40, 12,511,025.10 and 5,135,416.20

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Solution

The fourth proportional to 8,340,683.40, 12,511,025.10 and 5,135,416.20 is: 7,703,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,683.40 : 12,511,025.10 = 5,135,416.20 : x
  2. Step 2: Convert to fraction form
    8,340,683.40/12,511,025.10 = 5,135,416.20/x
  3. Step 3: Cross multiply
    8,340,683.40x = 12,511,025.10 × 5,135,416.20
  4. Step 4: Simplify right side
    8,340,683.40x = 64,249,320,977,146.62
  5. Step 5: Solve for x
    x = 64,249,320,977,146.62/8,340,683.40
  6. Step 6: Final answer
    x = 7,703,124.30

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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.