Home / 28,374,162.21-42,526,772.29-15,389,522.38

Finding the Fourth Proportional to 28,374,162.21, 42,526,772.29 and 15,389,522.38

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Solution

The fourth proportional to 28,374,162.21, 42,526,772.29 and 15,389,522.38 is: 23,065,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374,162.21 : 42,526,772.29 = 15,389,522.38 : x
  2. Step 2: Convert to fraction form
    28,374,162.21/42,526,772.29 = 15,389,522.38/x
  3. Step 3: Cross multiply
    28,374,162.21x = 42,526,772.29 × 15,389,522.38
  4. Step 4: Simplify right side
    28,374,162.21x = 654,466,713,906,118.88
  5. Step 5: Solve for x
    x = 654,466,713,906,118.88/28,374,162.21
  6. Step 6: Final answer
    x = 23,065,587.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.