Home / 15,765,978.90-23,641,620.02-8,190,910.74

Finding the Fourth Proportional to 15,765,978.90, 23,641,620.02 and 8,190,910.74

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Solution

The fourth proportional to 15,765,978.90, 23,641,620.02 and 8,190,910.74 is: 12,282,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765,978.90 : 23,641,620.02 = 8,190,910.74 : x
  2. Step 2: Convert to fraction form
    15,765,978.90/23,641,620.02 = 8,190,910.74/x
  3. Step 3: Cross multiply
    15,765,978.90x = 23,641,620.02 × 8,190,910.74
  4. Step 4: Simplify right side
    15,765,978.90x = 193,646,399,332,817.03
  5. Step 5: Solve for x
    x = 193,646,399,332,817.03/15,765,978.90
  6. Step 6: Final answer
    x = 12,282,548.43

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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.