Home / 19,958,964.80-27,543,210.99-11,587,111.38

Finding the Fourth Proportional to 19,958,964.80, 27,543,210.99 and 11,587,111.38

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Solution

The fourth proportional to 19,958,964.80, 27,543,210.99 and 11,587,111.38 is: 15,990,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,964.80 : 27,543,210.99 = 11,587,111.38 : x
  2. Step 2: Convert to fraction form
    19,958,964.80/27,543,210.99 = 11,587,111.38/x
  3. Step 3: Cross multiply
    19,958,964.80x = 27,543,210.99 × 11,587,111.38
  4. Step 4: Simplify right side
    19,958,964.80x = 319,146,253,503,970.06
  5. Step 5: Solve for x
    x = 319,146,253,503,970.06/19,958,964.80
  6. Step 6: Final answer
    x = 15,990,120.57

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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.