Home / 20,650,165.48-28,496,058.42-11,482,611.40

Finding the Fourth Proportional to 20,650,165.48, 28,496,058.42 and 11,482,611.40

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Solution

The fourth proportional to 20,650,165.48, 28,496,058.42 and 11,482,611.40 is: 15,845,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,165.48 : 28,496,058.42 = 11,482,611.40 : x
  2. Step 2: Convert to fraction form
    20,650,165.48/28,496,058.42 = 11,482,611.40/x
  3. Step 3: Cross multiply
    20,650,165.48x = 28,496,058.42 × 11,482,611.40
  4. Step 4: Simplify right side
    20,650,165.48x = 327,209,165,268,558
  5. Step 5: Solve for x
    x = 327,209,165,268,558/20,650,165.48
  6. Step 6: Final answer
    x = 15,845,353.18

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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.