Home / 19,789,612.20-29,684,418.30-7,011,408.60

Finding the Fourth Proportional to 19,789,612.20, 29,684,418.30 and 7,011,408.60

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Solution

The fourth proportional to 19,789,612.20, 29,684,418.30 and 7,011,408.60 is: 10,517,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789,612.20 : 29,684,418.30 = 7,011,408.60 : x
  2. Step 2: Convert to fraction form
    19,789,612.20/29,684,418.30 = 7,011,408.60/x
  3. Step 3: Cross multiply
    19,789,612.20x = 29,684,418.30 × 7,011,408.60
  4. Step 4: Simplify right side
    19,789,612.20x = 208,129,585,754,617.38
  5. Step 5: Solve for x
    x = 208,129,585,754,617.38/19,789,612.20
  6. Step 6: Final answer
    x = 10,517,112.90

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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.