Home / 18,771,211.51-25,904,272.10-10,186,507.51

Finding the Fourth Proportional to 18,771,211.51, 25,904,272.10 and 10,186,507.51

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Solution

The fourth proportional to 18,771,211.51, 25,904,272.10 and 10,186,507.51 is: 14,057,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771,211.51 : 25,904,272.10 = 10,186,507.51 : x
  2. Step 2: Convert to fraction form
    18,771,211.51/25,904,272.10 = 10,186,507.51/x
  3. Step 3: Cross multiply
    18,771,211.51x = 25,904,272.10 × 10,186,507.51
  4. Step 4: Simplify right side
    18,771,211.51x = 263,874,062,287,733.47
  5. Step 5: Solve for x
    x = 263,874,062,287,733.47/18,771,211.51
  6. Step 6: Final answer
    x = 14,057,380.48

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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.