Home / 15,729,166.62-21,706,923.38-8,759,844.12

Finding the Fourth Proportional to 15,729,166.62, 21,706,923.38 and 8,759,844.12

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Solution

The fourth proportional to 15,729,166.62, 21,706,923.38 and 8,759,844.12 is: 12,088,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729,166.62 : 21,706,923.38 = 8,759,844.12 : x
  2. Step 2: Convert to fraction form
    15,729,166.62/21,706,923.38 = 8,759,844.12/x
  3. Step 3: Cross multiply
    15,729,166.62x = 21,706,923.38 × 8,759,844.12
  4. Step 4: Simplify right side
    15,729,166.62x = 190,149,265,089,784.28
  5. Step 5: Solve for x
    x = 190,149,265,089,784.28/15,729,166.62
  6. Step 6: Final answer
    x = 12,088,959.94

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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.