Home / 12,305,221.79-16,981,384.28-6,798,723.50

Finding the Fourth Proportional to 12,305,221.79, 16,981,384.28 and 6,798,723.50

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Solution

The fourth proportional to 12,305,221.79, 16,981,384.28 and 6,798,723.50 is: 9,382,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305,221.79 : 16,981,384.28 = 6,798,723.50 : x
  2. Step 2: Convert to fraction form
    12,305,221.79/16,981,384.28 = 6,798,723.50/x
  3. Step 3: Cross multiply
    12,305,221.79x = 16,981,384.28 × 6,798,723.50
  4. Step 4: Simplify right side
    12,305,221.79x = 115,451,736,366,966.59
  5. Step 5: Solve for x
    x = 115,451,736,366,966.59/12,305,221.79
  6. Step 6: Final answer
    x = 9,382,336.89

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1.5x scale

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.