Home / 11,837,179.88-16,333,556.82-7,188,547.40

Finding the Fourth Proportional to 11,837,179.88, 16,333,556.82 and 7,188,547.40

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Solution

The fourth proportional to 11,837,179.88, 16,333,556.82 and 7,188,547.40 is: 9,919,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837,179.88 : 16,333,556.82 = 7,188,547.40 : x
  2. Step 2: Convert to fraction form
    11,837,179.88/16,333,556.82 = 7,188,547.40/x
  3. Step 3: Cross multiply
    11,837,179.88x = 16,333,556.82 × 7,188,547.40
  4. Step 4: Simplify right side
    11,837,179.88x = 117,414,547,411,163.28
  5. Step 5: Solve for x
    x = 117,414,547,411,163.28/11,837,179.88
  6. Step 6: Final answer
    x = 9,919,131.80

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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.