Home / 18,438,863.60-25,444,964.80-10,178,748.56

Finding the Fourth Proportional to 18,438,863.60, 25,444,964.80 and 10,178,748.56

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Solution

The fourth proportional to 18,438,863.60, 25,444,964.80 and 10,178,748.56 is: 14,046,304.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,863.60 : 25,444,964.80 = 10,178,748.56 : x
  2. Step 2: Convert to fraction form
    18,438,863.60/25,444,964.80 = 10,178,748.56/x
  3. Step 3: Cross multiply
    18,438,863.60x = 25,444,964.80 × 10,178,748.56
  4. Step 4: Simplify right side
    18,438,863.60x = 258,997,898,855,416.22
  5. Step 5: Solve for x
    x = 258,997,898,855,416.22/18,438,863.60
  6. Step 6: Final answer
    x = 14,046,304.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.