Home / 25,705,280.80-38,620,906.80-19,327,988.80

Finding the Fourth Proportional to 25,705,280.80, 38,620,906.80 and 19,327,988.80

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Solution

The fourth proportional to 25,705,280.80, 38,620,906.80 and 19,327,988.80 is: 29,039,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705,280.80 : 38,620,906.80 = 19,327,988.80 : x
  2. Step 2: Convert to fraction form
    25,705,280.80/38,620,906.80 = 19,327,988.80/x
  3. Step 3: Cross multiply
    25,705,280.80x = 38,620,906.80 × 19,327,988.80
  4. Step 4: Simplify right side
    25,705,280.80x = 746,464,454,076,243.75
  5. Step 5: Solve for x
    x = 746,464,454,076,243.75/25,705,280.80
  6. Step 6: Final answer
    x = 29,039,342.53

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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.