Home / 21,934,065.36-30,259,480.79-13,227,399.66

Finding the Fourth Proportional to 21,934,065.36, 30,259,480.79 and 13,227,399.66

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Solution

The fourth proportional to 21,934,065.36, 30,259,480.79 and 13,227,399.66 is: 18,248,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934,065.36 : 30,259,480.79 = 13,227,399.66 : x
  2. Step 2: Convert to fraction form
    21,934,065.36/30,259,480.79 = 13,227,399.66/x
  3. Step 3: Cross multiply
    21,934,065.36x = 30,259,480.79 × 13,227,399.66
  4. Step 4: Simplify right side
    21,934,065.36x = 400,254,245,985,559.94
  5. Step 5: Solve for x
    x = 400,254,245,985,559.94/21,934,065.36
  6. Step 6: Final answer
    x = 18,248,064.80

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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.