Home / 39,366,006.41-54,325,122.91-21,962,355.21

Finding the Fourth Proportional to 39,366,006.41, 54,325,122.91 and 21,962,355.21

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Solution

The fourth proportional to 39,366,006.41, 54,325,122.91 and 21,962,355.21 is: 30,308,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,006.41 : 54,325,122.91 = 21,962,355.21 : x
  2. Step 2: Convert to fraction form
    39,366,006.41/54,325,122.91 = 21,962,355.21/x
  3. Step 3: Cross multiply
    39,366,006.41x = 54,325,122.91 × 21,962,355.21
  4. Step 4: Simplify right side
    39,366,006.41x = 1,193,107,646,121,423
  5. Step 5: Solve for x
    x = 1,193,107,646,121,423/39,366,006.41
  6. Step 6: Final answer
    x = 30,308,069.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.