Home / 19,963,759.88-29,950,944.96-6,317,148.80

Finding the Fourth Proportional to 19,963,759.88, 29,950,944.96 and 6,317,148.80

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Solution

The fourth proportional to 19,963,759.88, 29,950,944.96 and 6,317,148.80 is: 9,477,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963,759.88 : 29,950,944.96 = 6,317,148.80 : x
  2. Step 2: Convert to fraction form
    19,963,759.88/29,950,944.96 = 6,317,148.80/x
  3. Step 3: Cross multiply
    19,963,759.88x = 29,950,944.96 × 6,317,148.80
  4. Step 4: Simplify right side
    19,963,759.88x = 189,204,576,012,930.06
  5. Step 5: Solve for x
    x = 189,204,576,012,930.06/19,963,759.88
  6. Step 6: Final answer
    x = 9,477,401.91

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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.