Home / 12,679,946.91-17,498,326.82-7,247,555.55

Finding the Fourth Proportional to 12,679,946.91, 17,498,326.82 and 7,247,555.55

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Solution

The fourth proportional to 12,679,946.91, 17,498,326.82 and 7,247,555.55 is: 10,001,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,946.91 : 17,498,326.82 = 7,247,555.55 : x
  2. Step 2: Convert to fraction form
    12,679,946.91/17,498,326.82 = 7,247,555.55/x
  3. Step 3: Cross multiply
    12,679,946.91x = 17,498,326.82 × 7,247,555.55
  4. Step 4: Simplify right side
    12,679,946.91x = 126,820,095,623,767.08
  5. Step 5: Solve for x
    x = 126,820,095,623,767.08/12,679,946.91
  6. Step 6: Final answer
    x = 10,001,626.70

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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.