Home / 39,957,825.06-55,141,798.69-21,623,110.56

Finding the Fourth Proportional to 39,957,825.06, 55,141,798.69 and 21,623,110.56

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Solution

The fourth proportional to 39,957,825.06, 55,141,798.69 and 21,623,110.56 is: 29,839,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957,825.06 : 55,141,798.69 = 21,623,110.56 : x
  2. Step 2: Convert to fraction form
    39,957,825.06/55,141,798.69 = 21,623,110.56/x
  3. Step 3: Cross multiply
    39,957,825.06x = 55,141,798.69 × 21,623,110.56
  4. Step 4: Simplify right side
    39,957,825.06x = 1,192,337,209,634,930
  5. Step 5: Solve for x
    x = 1,192,337,209,634,930/39,957,825.06
  6. Step 6: Final answer
    x = 29,839,892.63

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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.