Home / 7,339,990.20-11,009,985.30-1,949,472.60

Finding the Fourth Proportional to 7,339,990.20, 11,009,985.30 and 1,949,472.60

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Solution

The fourth proportional to 7,339,990.20, 11,009,985.30 and 1,949,472.60 is: 2,924,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,990.20 : 11,009,985.30 = 1,949,472.60 : x
  2. Step 2: Convert to fraction form
    7,339,990.20/11,009,985.30 = 1,949,472.60/x
  3. Step 3: Cross multiply
    7,339,990.20x = 11,009,985.30 × 1,949,472.60
  4. Step 4: Simplify right side
    7,339,990.20x = 21,463,664,668,752.78
  5. Step 5: Solve for x
    x = 21,463,664,668,752.78/7,339,990.20
  6. Step 6: Final answer
    x = 2,924,208.90

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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.