Home / 34,993,876.20-52,490,814.30-21,388,986.60

Finding the Fourth Proportional to 34,993,876.20, 52,490,814.30 and 21,388,986.60

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Solution

The fourth proportional to 34,993,876.20, 52,490,814.30 and 21,388,986.60 is: 32,083,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993,876.20 : 52,490,814.30 = 21,388,986.60 : x
  2. Step 2: Convert to fraction form
    34,993,876.20/52,490,814.30 = 21,388,986.60/x
  3. Step 3: Cross multiply
    34,993,876.20x = 52,490,814.30 × 21,388,986.60
  4. Step 4: Simplify right side
    34,993,876.20x = 1,122,725,323,685,788.38
  5. Step 5: Solve for x
    x = 1,122,725,323,685,788.38/34,993,876.20
  6. Step 6: Final answer
    x = 32,083,479.90

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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.