Home / 20,157,504.80-30,310,906.80-16,872,922.40

Finding the Fourth Proportional to 20,157,504.80, 30,310,906.80 and 16,872,922.40

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Solution

The fourth proportional to 20,157,504.80, 30,310,906.80 and 16,872,922.40 is: 25,371,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,504.80 : 30,310,906.80 = 16,872,922.40 : x
  2. Step 2: Convert to fraction form
    20,157,504.80/30,310,906.80 = 16,872,922.40/x
  3. Step 3: Cross multiply
    20,157,504.80x = 30,310,906.80 × 16,872,922.40
  4. Step 4: Simplify right side
    20,157,504.80x = 511,433,578,310,032.31
  5. Step 5: Solve for x
    x = 511,433,578,310,032.31/20,157,504.80
  6. Step 6: Final answer
    x = 25,371,869.36

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1.5x scale

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.