Home / 14,493,867-20,001,789.18-7,967,771.52

Finding the Fourth Proportional to 14,493,867, 20,001,789.18 and 7,967,771.52

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Solution

The fourth proportional to 14,493,867, 20,001,789.18 and 7,967,771.52 is: 10,995,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493,867 : 20,001,789.18 = 7,967,771.52 : x
  2. Step 2: Convert to fraction form
    14,493,867/20,001,789.18 = 7,967,771.52/x
  3. Step 3: Cross multiply
    14,493,867x = 20,001,789.18 × 7,967,771.52
  4. Step 4: Simplify right side
    14,493,867x = 159,369,686,177,448.16
  5. Step 5: Solve for x
    x = 159,369,686,177,448.16/14,493,867
  6. Step 6: Final answer
    x = 10,995,663.63

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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.