Home / 19,886,144.69-27,455,487.48-13,617,161.44

Finding the Fourth Proportional to 19,886,144.69, 27,455,487.48 and 13,617,161.44

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Solution

The fourth proportional to 19,886,144.69, 27,455,487.48 and 13,617,161.44 is: 18,800,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886,144.69 : 27,455,487.48 = 13,617,161.44 : x
  2. Step 2: Convert to fraction form
    19,886,144.69/27,455,487.48 = 13,617,161.44/x
  3. Step 3: Cross multiply
    19,886,144.69x = 27,455,487.48 × 13,617,161.44
  4. Step 4: Simplify right side
    19,886,144.69x = 373,865,805,291,781.38
  5. Step 5: Solve for x
    x = 373,865,805,291,781.38/19,886,144.69
  6. Step 6: Final answer
    x = 18,800,316.06

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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.