Home / 19,253,321.40-28,879,982.10-16,230,012.60

Finding the Fourth Proportional to 19,253,321.40, 28,879,982.10 and 16,230,012.60

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Solution

The fourth proportional to 19,253,321.40, 28,879,982.10 and 16,230,012.60 is: 24,345,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253,321.40 : 28,879,982.10 = 16,230,012.60 : x
  2. Step 2: Convert to fraction form
    19,253,321.40/28,879,982.10 = 16,230,012.60/x
  3. Step 3: Cross multiply
    19,253,321.40x = 28,879,982.10 × 16,230,012.60
  4. Step 4: Simplify right side
    19,253,321.40x = 468,722,473,370,774.50
  5. Step 5: Solve for x
    x = 468,722,473,370,774.50/19,253,321.40
  6. Step 6: Final answer
    x = 24,345,018.90

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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.