Home / 18,789,529.79-25,920,336.91-16,305,263.69

Finding the Fourth Proportional to 18,789,529.79, 25,920,336.91 and 16,305,263.69

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Solution

The fourth proportional to 18,789,529.79, 25,920,336.91 and 16,305,263.69 is: 22,493,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789,529.79 : 25,920,336.91 = 16,305,263.69 : x
  2. Step 2: Convert to fraction form
    18,789,529.79/25,920,336.91 = 16,305,263.69/x
  3. Step 3: Cross multiply
    18,789,529.79x = 25,920,336.91 × 16,305,263.69
  4. Step 4: Simplify right side
    18,789,529.79x = 422,637,928,111,397.38
  5. Step 5: Solve for x
    x = 422,637,928,111,397.38/18,789,529.79
  6. Step 6: Final answer
    x = 22,493,267.95

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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.