Home / 18,978,780.33-26,190,842.13-10,276,952.76

Finding the Fourth Proportional to 18,978,780.33, 26,190,842.13 and 10,276,952.76

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Solution

The fourth proportional to 18,978,780.33, 26,190,842.13 and 10,276,952.76 is: 14,182,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,978,780.33 : 26,190,842.13 = 10,276,952.76 : x
  2. Step 2: Convert to fraction form
    18,978,780.33/26,190,842.13 = 10,276,952.76/x
  3. Step 3: Cross multiply
    18,978,780.33x = 26,190,842.13 × 10,276,952.76
  4. Step 4: Simplify right side
    18,978,780.33x = 269,162,047,314,627.75
  5. Step 5: Solve for x
    x = 269,162,047,314,627.75/18,978,780.33
  6. Step 6: Final answer
    x = 14,182,262.64

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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.