Home / 8,517,968.64-12,778,790.04-2,452,659.48

Finding the Fourth Proportional to 8,517,968.64, 12,778,790.04 and 2,452,659.48

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Solution

The fourth proportional to 8,517,968.64, 12,778,790.04 and 2,452,659.48 is: 3,679,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,968.64 : 12,778,790.04 = 2,452,659.48 : x
  2. Step 2: Convert to fraction form
    8,517,968.64/12,778,790.04 = 2,452,659.48/x
  3. Step 3: Cross multiply
    8,517,968.64x = 12,778,790.04 × 2,452,659.48
  4. Step 4: Simplify right side
    8,517,968.64x = 31,342,020,534,535.58
  5. Step 5: Solve for x
    x = 31,342,020,534,535.58/8,517,968.64
  6. Step 6: Final answer
    x = 3,679,518.19

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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.