Home / 39,957,864.66-55,141,852.68-21,623,150.16

Finding the Fourth Proportional to 39,957,864.66, 55,141,852.68 and 21,623,150.16

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Solution

The fourth proportional to 39,957,864.66, 55,141,852.68 and 21,623,150.16 is: 29,839,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957,864.66 : 55,141,852.68 = 21,623,150.16 : x
  2. Step 2: Convert to fraction form
    39,957,864.66/55,141,852.68 = 21,623,150.16/x
  3. Step 3: Cross multiply
    39,957,864.66x = 55,141,852.68 × 21,623,150.16
  4. Step 4: Simplify right side
    39,957,864.66x = 1,192,340,560,600,238.50
  5. Step 5: Solve for x
    x = 1,192,340,560,600,238.50/39,957,864.66
  6. Step 6: Final answer
    x = 29,839,946.92

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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.