Home / 9,686,809.62-13,367,865.60-5,557,021.02

Finding the Fourth Proportional to 9,686,809.62, 13,367,865.60 and 5,557,021.02

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Solution

The fourth proportional to 9,686,809.62, 13,367,865.60 and 5,557,021.02 is: 7,668,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686,809.62 : 13,367,865.60 = 5,557,021.02 : x
  2. Step 2: Convert to fraction form
    9,686,809.62/13,367,865.60 = 5,557,021.02/x
  3. Step 3: Cross multiply
    9,686,809.62x = 13,367,865.60 × 5,557,021.02
  4. Step 4: Simplify right side
    9,686,809.62x = 74,285,510,131,734.91
  5. Step 5: Solve for x
    x = 74,285,510,131,734.91/9,686,809.62
  6. Step 6: Final answer
    x = 7,668,728.20

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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.