Home / 19,120,956.16-28,681,398.35-5,991,379.12

Finding the Fourth Proportional to 19,120,956.16, 28,681,398.35 and 5,991,379.12

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Solution

The fourth proportional to 19,120,956.16, 28,681,398.35 and 5,991,379.12 is: 8,987,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120,956.16 : 28,681,398.35 = 5,991,379.12 : x
  2. Step 2: Convert to fraction form
    19,120,956.16/28,681,398.35 = 5,991,379.12/x
  3. Step 3: Cross multiply
    19,120,956.16x = 28,681,398.35 × 5,991,379.12
  4. Step 4: Simplify right side
    19,120,956.16x = 171,841,131,107,323.62
  5. Step 5: Solve for x
    x = 171,841,131,107,323.62/19,120,956.16
  6. Step 6: Final answer
    x = 8,987,057.43

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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.