Home / 14,081,395-19,428,993.12-7,969,823.68

Finding the Fourth Proportional to 14,081,395, 19,428,993.12 and 7,969,823.68

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Solution

The fourth proportional to 14,081,395, 19,428,993.12 and 7,969,823.68 is: 10,996,470.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081,395 : 19,428,993.12 = 7,969,823.68 : x
  2. Step 2: Convert to fraction form
    14,081,395/19,428,993.12 = 7,969,823.68/x
  3. Step 3: Cross multiply
    14,081,395x = 19,428,993.12 × 7,969,823.68
  4. Step 4: Simplify right side
    14,081,395x = 154,845,649,446,333.09
  5. Step 5: Solve for x
    x = 154,845,649,446,333.09/14,081,395
  6. Step 6: Final answer
    x = 10,996,470.84

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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.