Home / 8,412,290.40-11,608,992.48-5,316,189.64

Finding the Fourth Proportional to 8,412,290.40, 11,608,992.48 and 5,316,189.64

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Solution

The fourth proportional to 8,412,290.40, 11,608,992.48 and 5,316,189.64 is: 7,336,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,290.40 : 11,608,992.48 = 5,316,189.64 : x
  2. Step 2: Convert to fraction form
    8,412,290.40/11,608,992.48 = 5,316,189.64/x
  3. Step 3: Cross multiply
    8,412,290.40x = 11,608,992.48 × 5,316,189.64
  4. Step 4: Simplify right side
    8,412,290.40x = 61,715,605,553,013.91
  5. Step 5: Solve for x
    x = 61,715,605,553,013.91/8,412,290.40
  6. Step 6: Final answer
    x = 7,336,361.75

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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.