Home / 8,317,816.60-12,476,724.90-2,638,485.40

Finding the Fourth Proportional to 8,317,816.60, 12,476,724.90 and 2,638,485.40

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Solution

The fourth proportional to 8,317,816.60, 12,476,724.90 and 2,638,485.40 is: 3,957,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,816.60 : 12,476,724.90 = 2,638,485.40 : x
  2. Step 2: Convert to fraction form
    8,317,816.60/12,476,724.90 = 2,638,485.40/x
  3. Step 3: Cross multiply
    8,317,816.60x = 12,476,724.90 × 2,638,485.40
  4. Step 4: Simplify right side
    8,317,816.60x = 32,919,656,488,466.46
  5. Step 5: Solve for x
    x = 32,919,656,488,466.46/8,317,816.60
  6. Step 6: Final answer
    x = 3,957,728.10

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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.