Home / 20,191,016.69-30,294,158.02-7,903,761.40

Finding the Fourth Proportional to 20,191,016.69, 30,294,158.02 and 7,903,761.40

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Solution

The fourth proportional to 20,191,016.69, 30,294,158.02 and 7,903,761.40 is: 11,858,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191,016.69 : 30,294,158.02 = 7,903,761.40 : x
  2. Step 2: Convert to fraction form
    20,191,016.69/30,294,158.02 = 7,903,761.40/x
  3. Step 3: Cross multiply
    20,191,016.69x = 30,294,158.02 × 7,903,761.40
  4. Step 4: Simplify right side
    20,191,016.69x = 239,437,796,708,481.62
  5. Step 5: Solve for x
    x = 239,437,796,708,481.62/20,191,016.69
  6. Step 6: Final answer
    x = 11,858,630.03

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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.