Home / 30,170,957.79-41,640,309.09-16,941,619.83

Finding the Fourth Proportional to 30,170,957.79, 41,640,309.09 and 16,941,619.83

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Solution

The fourth proportional to 30,170,957.79, 41,640,309.09 and 16,941,619.83 is: 23,381,898.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170,957.79 : 41,640,309.09 = 16,941,619.83 : x
  2. Step 2: Convert to fraction form
    30,170,957.79/41,640,309.09 = 16,941,619.83/x
  3. Step 3: Cross multiply
    30,170,957.79x = 41,640,309.09 × 16,941,619.83
  4. Step 4: Simplify right side
    30,170,957.79x = 705,454,286,206,473.25
  5. Step 5: Solve for x
    x = 705,454,286,206,473.25/30,170,957.79
  6. Step 6: Final answer
    x = 23,381,898.95

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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.