Home / 18,963,999.72-26,170,388.52-10,262,171.44

Finding the Fourth Proportional to 18,963,999.72, 26,170,388.52 and 10,262,171.44

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Solution

The fourth proportional to 18,963,999.72, 26,170,388.52 and 10,262,171.44 is: 14,161,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963,999.72 : 26,170,388.52 = 10,262,171.44 : x
  2. Step 2: Convert to fraction form
    18,963,999.72/26,170,388.52 = 10,262,171.44/x
  3. Step 3: Cross multiply
    18,963,999.72x = 26,170,388.52 × 10,262,171.44
  4. Step 4: Simplify right side
    18,963,999.72x = 268,565,013,643,647.84
  5. Step 5: Solve for x
    x = 268,565,013,643,647.84/18,963,999.72
  6. Step 6: Final answer
    x = 14,161,833.88

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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.