Home / 18,771,464-25,904,620.32-10,186,760

Finding the Fourth Proportional to 18,771,464, 25,904,620.32 and 10,186,760

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Solution

The fourth proportional to 18,771,464, 25,904,620.32 and 10,186,760 is: 14,057,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771,464 : 25,904,620.32 = 10,186,760 : x
  2. Step 2: Convert to fraction form
    18,771,464/25,904,620.32 = 10,186,760/x
  3. Step 3: Cross multiply
    18,771,464x = 25,904,620.32 × 10,186,760
  4. Step 4: Simplify right side
    18,771,464x = 263,884,150,090,963.19
  5. Step 5: Solve for x
    x = 263,884,150,090,963.19/18,771,464
  6. Step 6: Final answer
    x = 14,057,728.80

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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.