Home / 18,850,219.20-28,275,328.80-9,267,076.80

Finding the Fourth Proportional to 18,850,219.20, 28,275,328.80 and 9,267,076.80

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Solution

The fourth proportional to 18,850,219.20, 28,275,328.80 and 9,267,076.80 is: 13,900,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850,219.20 : 28,275,328.80 = 9,267,076.80 : x
  2. Step 2: Convert to fraction form
    18,850,219.20/28,275,328.80 = 9,267,076.80/x
  3. Step 3: Cross multiply
    18,850,219.20x = 28,275,328.80 × 9,267,076.80
  4. Step 4: Simplify right side
    18,850,219.20x = 262,029,643,534,851.88
  5. Step 5: Solve for x
    x = 262,029,643,534,851.88/18,850,219.20
  6. Step 6: Final answer
    x = 13,900,615.20

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1.5x scale

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.