Home / 8,404,731.20-12,618,906.60-5,216,085.20

Finding the Fourth Proportional to 8,404,731.20, 12,618,906.60 and 5,216,085.20

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Solution

The fourth proportional to 8,404,731.20, 12,618,906.60 and 5,216,085.20 is: 7,831,457.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,731.20 : 12,618,906.60 = 5,216,085.20 : x
  2. Step 2: Convert to fraction form
    8,404,731.20/12,618,906.60 = 5,216,085.20/x
  3. Step 3: Cross multiply
    8,404,731.20x = 12,618,906.60 × 5,216,085.20
  4. Step 4: Simplify right side
    8,404,731.20x = 65,821,291,956,442.32
  5. Step 5: Solve for x
    x = 65,821,291,956,442.32/8,404,731.20
  6. Step 6: Final answer
    x = 7,831,457.12

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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.