Home / 11,215,754.68-16,824,010.02-3,128,927.80

Finding the Fourth Proportional to 11,215,754.68, 16,824,010.02 and 3,128,927.80

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Solution

The fourth proportional to 11,215,754.68, 16,824,010.02 and 3,128,927.80 is: 4,693,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215,754.68 : 16,824,010.02 = 3,128,927.80 : x
  2. Step 2: Convert to fraction form
    11,215,754.68/16,824,010.02 = 3,128,927.80/x
  3. Step 3: Cross multiply
    11,215,754.68x = 16,824,010.02 × 3,128,927.80
  4. Step 4: Simplify right side
    11,215,754.68x = 52,641,112,659,056.55
  5. Step 5: Solve for x
    x = 52,641,112,659,056.55/11,215,754.68
  6. Step 6: Final answer
    x = 4,693,497.15

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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.