Home / 26,959,772.80-40,439,659.20-7,791,155.20

Finding the Fourth Proportional to 26,959,772.80, 40,439,659.20 and 7,791,155.20

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Solution

The fourth proportional to 26,959,772.80, 40,439,659.20 and 7,791,155.20 is: 11,686,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959,772.80 : 40,439,659.20 = 7,791,155.20 : x
  2. Step 2: Convert to fraction form
    26,959,772.80/40,439,659.20 = 7,791,155.20/x
  3. Step 3: Cross multiply
    26,959,772.80x = 40,439,659.20 × 7,791,155.20
  4. Step 4: Simplify right side
    26,959,772.80x = 315,071,661,062,307.88
  5. Step 5: Solve for x
    x = 315,071,661,062,307.88/26,959,772.80
  6. Step 6: Final answer
    x = 11,686,732.80

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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.