Home / 25,705,340.80-38,620,996.80-19,328,048.80

Finding the Fourth Proportional to 25,705,340.80, 38,620,996.80 and 19,328,048.80

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Solution

The fourth proportional to 25,705,340.80, 38,620,996.80 and 19,328,048.80 is: 29,039,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705,340.80 : 38,620,996.80 = 19,328,048.80 : x
  2. Step 2: Convert to fraction form
    25,705,340.80/38,620,996.80 = 19,328,048.80/x
  3. Step 3: Cross multiply
    25,705,340.80x = 38,620,996.80 × 19,328,048.80
  4. Step 4: Simplify right side
    25,705,340.80x = 746,468,510,855,043.75
  5. Step 5: Solve for x
    x = 746,468,510,855,043.75/25,705,340.80
  6. Step 6: Final answer
    x = 29,039,432.57

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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.