Home / 19,891,000.60-29,836,500.90-7,111,922.20

Finding the Fourth Proportional to 19,891,000.60, 29,836,500.90 and 7,111,922.20

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Solution

The fourth proportional to 19,891,000.60, 29,836,500.90 and 7,111,922.20 is: 10,667,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891,000.60 : 29,836,500.90 = 7,111,922.20 : x
  2. Step 2: Convert to fraction form
    19,891,000.60/29,836,500.90 = 7,111,922.20/x
  3. Step 3: Cross multiply
    19,891,000.60x = 29,836,500.90 × 7,111,922.20
  4. Step 4: Simplify right side
    19,891,000.60x = 212,194,873,121,029.97
  5. Step 5: Solve for x
    x = 212,194,873,121,029.97/19,891,000.60
  6. Step 6: Final answer
    x = 10,667,883.30

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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.