Home / 20,152,557.20-30,228,835.80-19,368,736.40

Finding the Fourth Proportional to 20,152,557.20, 30,228,835.80 and 19,368,736.40

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Solution

The fourth proportional to 20,152,557.20, 30,228,835.80 and 19,368,736.40 is: 29,053,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,557.20 : 30,228,835.80 = 19,368,736.40 : x
  2. Step 2: Convert to fraction form
    20,152,557.20/30,228,835.80 = 19,368,736.40/x
  3. Step 3: Cross multiply
    20,152,557.20x = 30,228,835.80 × 19,368,736.40
  4. Step 4: Simplify right side
    20,152,557.20x = 585,494,352,289,083.12
  5. Step 5: Solve for x
    x = 585,494,352,289,083.12/20,152,557.20
  6. Step 6: Final answer
    x = 29,053,104.60

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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.