Home / 8,365,160.80-12,557,072.40-7,816,952.80

Finding the Fourth Proportional to 8,365,160.80, 12,557,072.40 and 7,816,952.80

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Solution

The fourth proportional to 8,365,160.80, 12,557,072.40 and 7,816,952.80 is: 11,734,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365,160.80 : 12,557,072.40 = 7,816,952.80 : x
  2. Step 2: Convert to fraction form
    8,365,160.80/12,557,072.40 = 7,816,952.80/x
  3. Step 3: Cross multiply
    8,365,160.80x = 12,557,072.40 × 7,816,952.80
  4. Step 4: Simplify right side
    8,365,160.80x = 98,158,042,256,982.72
  5. Step 5: Solve for x
    x = 98,158,042,256,982.72/8,365,160.80
  6. Step 6: Final answer
    x = 11,734,148.88

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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.