Home / 15,400,267.20-23,100,400.80-12,880,843.20

Finding the Fourth Proportional to 15,400,267.20, 23,100,400.80 and 12,880,843.20

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Solution

The fourth proportional to 15,400,267.20, 23,100,400.80 and 12,880,843.20 is: 19,321,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,267.20 : 23,100,400.80 = 12,880,843.20 : x
  2. Step 2: Convert to fraction form
    15,400,267.20/23,100,400.80 = 12,880,843.20/x
  3. Step 3: Cross multiply
    15,400,267.20x = 23,100,400.80 × 12,880,843.20
  4. Step 4: Simplify right side
    15,400,267.20x = 297,552,640,561,954.56
  5. Step 5: Solve for x
    x = 297,552,640,561,954.56/15,400,267.20
  6. Step 6: Final answer
    x = 19,321,264.80

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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.