Home / 15,488,975.51-21,375,189.49-8,519,832.71

Finding the Fourth Proportional to 15,488,975.51, 21,375,189.49 and 8,519,832.71

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Solution

The fourth proportional to 15,488,975.51, 21,375,189.49 and 8,519,832.71 is: 11,757,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488,975.51 : 21,375,189.49 = 8,519,832.71 : x
  2. Step 2: Convert to fraction form
    15,488,975.51/21,375,189.49 = 8,519,832.71/x
  3. Step 3: Cross multiply
    15,488,975.51x = 21,375,189.49 × 8,519,832.71
  4. Step 4: Simplify right side
    15,488,975.51x = 182,113,038,599,350.22
  5. Step 5: Solve for x
    x = 182,113,038,599,350.22/15,488,975.51
  6. Step 6: Final answer
    x = 11,757,590.97

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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.