Home / 20,693,432.38-31,039,116.73-7,738,630.63

Finding the Fourth Proportional to 20,693,432.38, 31,039,116.73 and 7,738,630.63

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Solution

The fourth proportional to 20,693,432.38, 31,039,116.73 and 7,738,630.63 is: 11,607,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693,432.38 : 31,039,116.73 = 7,738,630.63 : x
  2. Step 2: Convert to fraction form
    20,693,432.38/31,039,116.73 = 7,738,630.63/x
  3. Step 3: Cross multiply
    20,693,432.38x = 31,039,116.73 × 7,738,630.63
  4. Step 4: Simplify right side
    20,693,432.38x = 240,200,259,348,200.03
  5. Step 5: Solve for x
    x = 240,200,259,348,200.03/20,693,432.38
  6. Step 6: Final answer
    x = 11,607,560.07

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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.