Home / 39,957,804.07-55,141,769.71-21,623,089.57

Finding the Fourth Proportional to 39,957,804.07, 55,141,769.71 and 21,623,089.57

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Solution

The fourth proportional to 39,957,804.07, 55,141,769.71 and 21,623,089.57 is: 29,839,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957,804.07 : 55,141,769.71 = 21,623,089.57 : x
  2. Step 2: Convert to fraction form
    39,957,804.07/55,141,769.71 = 21,623,089.57/x
  3. Step 3: Cross multiply
    39,957,804.07x = 55,141,769.71 × 21,623,089.57
  4. Step 4: Simplify right side
    39,957,804.07x = 1,192,335,425,487,643
  5. Step 5: Solve for x
    x = 1,192,335,425,487,643/39,957,804.07
  6. Step 6: Final answer
    x = 29,839,863.66

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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.