Home / 12,128,800.97-16,739,213.09-6,903,079.76

Finding the Fourth Proportional to 12,128,800.97, 16,739,213.09 and 6,903,079.76

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Solution

The fourth proportional to 12,128,800.97, 16,739,213.09 and 6,903,079.76 is: 9,527,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,800.97 : 16,739,213.09 = 6,903,079.76 : x
  2. Step 2: Convert to fraction form
    12,128,800.97/16,739,213.09 = 6,903,079.76/x
  3. Step 3: Cross multiply
    12,128,800.97x = 16,739,213.09 × 6,903,079.76
  4. Step 4: Simplify right side
    12,128,800.97x = 115,552,122,961,694.59
  5. Step 5: Solve for x
    x = 115,552,122,961,694.59/12,128,800.97
  6. Step 6: Final answer
    x = 9,527,085.43

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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.