Home / 15,079,945-20,808,658.96-8,463,015.80

Finding the Fourth Proportional to 15,079,945, 20,808,658.96 and 8,463,015.80

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Solution

The fourth proportional to 15,079,945, 20,808,658.96 and 8,463,015.80 is: 11,678,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079,945 : 20,808,658.96 = 8,463,015.80 : x
  2. Step 2: Convert to fraction form
    15,079,945/20,808,658.96 = 8,463,015.80/x
  3. Step 3: Cross multiply
    15,079,945x = 20,808,658.96 × 8,463,015.80
  4. Step 4: Simplify right side
    15,079,945x = 176,104,009,555,291.59
  5. Step 5: Solve for x
    x = 176,104,009,555,291.59/15,079,945
  6. Step 6: Final answer
    x = 11,678,027.31

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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.