Home / 22,012,456.20-32,990,690.70-19,605,006.60

Finding the Fourth Proportional to 22,012,456.20, 32,990,690.70 and 19,605,006.60

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Solution

The fourth proportional to 22,012,456.20, 32,990,690.70 and 19,605,006.60 is: 29,382,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012,456.20 : 32,990,690.70 = 19,605,006.60 : x
  2. Step 2: Convert to fraction form
    22,012,456.20/32,990,690.70 = 19,605,006.60/x
  3. Step 3: Cross multiply
    22,012,456.20x = 32,990,690.70 × 19,605,006.60
  4. Step 4: Simplify right side
    22,012,456.20x = 646,782,708,912,058.62
  5. Step 5: Solve for x
    x = 646,782,708,912,058.62/22,012,456.20
  6. Step 6: Final answer
    x = 29,382,577.89

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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.