Home / 19,958,967.80-27,543,215.13-11,587,114.38

Finding the Fourth Proportional to 19,958,967.80, 27,543,215.13 and 11,587,114.38

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Solution

The fourth proportional to 19,958,967.80, 27,543,215.13 and 11,587,114.38 is: 15,990,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,967.80 : 27,543,215.13 = 11,587,114.38 : x
  2. Step 2: Convert to fraction form
    19,958,967.80/27,543,215.13 = 11,587,114.38/x
  3. Step 3: Cross multiply
    19,958,967.80x = 27,543,215.13 × 11,587,114.38
  4. Step 4: Simplify right side
    19,958,967.80x = 319,146,384,104,256.56
  5. Step 5: Solve for x
    x = 319,146,384,104,256.56/19,958,967.80
  6. Step 6: Final answer
    x = 15,990,124.70

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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.