Home / 21,349,020.15-29,439,627.03-18,261,763.29

Finding the Fourth Proportional to 21,349,020.15, 29,439,627.03 and 18,261,763.29

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Solution

The fourth proportional to 21,349,020.15, 29,439,627.03 and 18,261,763.29 is: 25,182,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349,020.15 : 29,439,627.03 = 18,261,763.29 : x
  2. Step 2: Convert to fraction form
    21,349,020.15/29,439,627.03 = 18,261,763.29/x
  3. Step 3: Cross multiply
    21,349,020.15x = 29,439,627.03 × 18,261,763.29
  4. Step 4: Simplify right side
    21,349,020.15x = 537,619,500,167,745.75
  5. Step 5: Solve for x
    x = 537,619,500,167,745.75/21,349,020.15
  6. Step 6: Final answer
    x = 25,182,396.96

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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.