Home / 30,752,200.20-42,438,112.56-16,814,454.72

Finding the Fourth Proportional to 30,752,200.20, 42,438,112.56 and 16,814,454.72

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Solution

The fourth proportional to 30,752,200.20, 42,438,112.56 and 16,814,454.72 is: 23,203,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,200.20 : 42,438,112.56 = 16,814,454.72 : x
  2. Step 2: Convert to fraction form
    30,752,200.20/42,438,112.56 = 16,814,454.72/x
  3. Step 3: Cross multiply
    30,752,200.20x = 42,438,112.56 × 16,814,454.72
  4. Step 4: Simplify right side
    30,752,200.20x = 713,573,722,042,383.25
  5. Step 5: Solve for x
    x = 713,573,722,042,383.25/30,752,200.20
  6. Step 6: Final answer
    x = 23,203,989.22

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1.5x scale

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.