Home / 13,307,544.78-19,972,514.61-12,467,736.78

Finding the Fourth Proportional to 13,307,544.78, 19,972,514.61 and 12,467,736.78

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Solution

The fourth proportional to 13,307,544.78, 19,972,514.61 and 12,467,736.78 is: 18,712,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,544.78 : 19,972,514.61 = 12,467,736.78 : x
  2. Step 2: Convert to fraction form
    13,307,544.78/19,972,514.61 = 12,467,736.78/x
  3. Step 3: Cross multiply
    13,307,544.78x = 19,972,514.61 × 12,467,736.78
  4. Step 4: Simplify right side
    13,307,544.78x = 249,012,054,992,184.34
  5. Step 5: Solve for x
    x = 249,012,054,992,184.34/13,307,544.78
  6. Step 6: Final answer
    x = 18,712,095.97

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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.