Home / 12,194,395.86-18,275,648.13-4,997,503.74

Finding the Fourth Proportional to 12,194,395.86, 18,275,648.13 and 4,997,503.74

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Solution

The fourth proportional to 12,194,395.86, 18,275,648.13 and 4,997,503.74 is: 7,489,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194,395.86 : 18,275,648.13 = 4,997,503.74 : x
  2. Step 2: Convert to fraction form
    12,194,395.86/18,275,648.13 = 4,997,503.74/x
  3. Step 3: Cross multiply
    12,194,395.86x = 18,275,648.13 × 4,997,503.74
  4. Step 4: Simplify right side
    12,194,395.86x = 91,332,619,880,599
  5. Step 5: Solve for x
    x = 91,332,619,880,599/12,194,395.86
  6. Step 6: Final answer
    x = 7,489,720.76

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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.