Home / 18,438,853.82-25,444,951.25-10,178,738.69

Finding the Fourth Proportional to 18,438,853.82, 25,444,951.25 and 10,178,738.69

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Solution

The fourth proportional to 18,438,853.82, 25,444,951.25 and 10,178,738.69 is: 14,046,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,853.82 : 25,444,951.25 = 10,178,738.69 : x
  2. Step 2: Convert to fraction form
    18,438,853.82/25,444,951.25 = 10,178,738.69/x
  3. Step 3: Cross multiply
    18,438,853.82x = 25,444,951.25 × 10,178,738.69
  4. Step 4: Simplify right side
    18,438,853.82x = 258,997,509,842,598.12
  5. Step 5: Solve for x
    x = 258,997,509,842,598.12/18,438,853.82
  6. Step 6: Final answer
    x = 14,046,291.18

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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.