Home / 10,781,328.72-16,171,927.80-2,694,262.80

Finding the Fourth Proportional to 10,781,328.72, 16,171,927.80 and 2,694,262.80

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Solution

The fourth proportional to 10,781,328.72, 16,171,927.80 and 2,694,262.80 is: 4,041,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,328.72 : 16,171,927.80 = 2,694,262.80 : x
  2. Step 2: Convert to fraction form
    10,781,328.72/16,171,927.80 = 2,694,262.80/x
  3. Step 3: Cross multiply
    10,781,328.72x = 16,171,927.80 × 2,694,262.80
  4. Step 4: Simplify right side
    10,781,328.72x = 43,571,423,475,825.84
  5. Step 5: Solve for x
    x = 43,571,423,475,825.84/10,781,328.72
  6. Step 6: Final answer
    x = 4,041,377.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.