Home / 15,826,268.82-21,839,781.75-8,762,176.80

Finding the Fourth Proportional to 15,826,268.82, 21,839,781.75 and 8,762,176.80

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Solution

The fourth proportional to 15,826,268.82, 21,839,781.75 and 8,762,176.80 is: 12,091,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826,268.82 : 21,839,781.75 = 8,762,176.80 : x
  2. Step 2: Convert to fraction form
    15,826,268.82/21,839,781.75 = 8,762,176.80/x
  3. Step 3: Cross multiply
    15,826,268.82x = 21,839,781.75 × 8,762,176.80
  4. Step 4: Simplify right side
    15,826,268.82x = 191,364,028,966,913.41
  5. Step 5: Solve for x
    x = 191,364,028,966,913.41/15,826,268.82
  6. Step 6: Final answer
    x = 12,091,544.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.