Home / 30,856,850.88-42,582,228.02-16,917,976.23

Finding the Fourth Proportional to 30,856,850.88, 42,582,228.02 and 16,917,976.23

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Solution

The fourth proportional to 30,856,850.88, 42,582,228.02 and 16,917,976.23 is: 23,346,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856,850.88 : 42,582,228.02 = 16,917,976.23 : x
  2. Step 2: Convert to fraction form
    30,856,850.88/42,582,228.02 = 16,917,976.23/x
  3. Step 3: Cross multiply
    30,856,850.88x = 42,582,228.02 × 16,917,976.23
  4. Step 4: Simplify right side
    30,856,850.88x = 720,405,121,401,752.88
  5. Step 5: Solve for x
    x = 720,405,121,401,752.88/30,856,850.88
  6. Step 6: Final answer
    x = 23,346,683.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.