Home / 20,152,566.20-30,228,849.30-19,368,745.40

Finding the Fourth Proportional to 20,152,566.20, 30,228,849.30 and 19,368,745.40

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Solution

The fourth proportional to 20,152,566.20, 30,228,849.30 and 19,368,745.40 is: 29,053,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,566.20 : 30,228,849.30 = 19,368,745.40 : x
  2. Step 2: Convert to fraction form
    20,152,566.20/30,228,849.30 = 19,368,745.40/x
  3. Step 3: Cross multiply
    20,152,566.20x = 30,228,849.30 × 19,368,745.40
  4. Step 4: Simplify right side
    20,152,566.20x = 585,494,885,826,668.25
  5. Step 5: Solve for x
    x = 585,494,885,826,668.25/20,152,566.20
  6. Step 6: Final answer
    x = 29,053,118.10

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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.