Home / 39,929,542.11-55,102,804.74-21,594,827.61

Finding the Fourth Proportional to 39,929,542.11, 55,102,804.74 and 21,594,827.61

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Solution

The fourth proportional to 39,929,542.11, 55,102,804.74 and 21,594,827.61 is: 29,800,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929,542.11 : 55,102,804.74 = 21,594,827.61 : x
  2. Step 2: Convert to fraction form
    39,929,542.11/55,102,804.74 = 21,594,827.61/x
  3. Step 3: Cross multiply
    39,929,542.11x = 55,102,804.74 × 21,594,827.61
  4. Step 4: Simplify right side
    39,929,542.11x = 1,189,935,569,187,791
  5. Step 5: Solve for x
    x = 1,189,935,569,187,791/39,929,542.11
  6. Step 6: Final answer
    x = 29,800,881.91

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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.