Home / 39,957,863.85-55,141,852.38-21,623,149.35

Finding the Fourth Proportional to 39,957,863.85, 55,141,852.38 and 21,623,149.35

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Solution

The fourth proportional to 39,957,863.85, 55,141,852.38 and 21,623,149.35 is: 29,839,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957,863.85 : 55,141,852.38 = 21,623,149.35 : x
  2. Step 2: Convert to fraction form
    39,957,863.85/55,141,852.38 = 21,623,149.35/x
  3. Step 3: Cross multiply
    39,957,863.85x = 55,141,852.38 × 21,623,149.35
  4. Step 4: Simplify right side
    39,957,863.85x = 1,192,340,509,448,393
  5. Step 5: Solve for x
    x = 1,192,340,509,448,393/39,957,863.85
  6. Step 6: Final answer
    x = 29,839,946.25

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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.