Home / 18,267,389.48-25,208,995.38-10,925,221.44

Finding the Fourth Proportional to 18,267,389.48, 25,208,995.38 and 10,925,221.44

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Solution

The fourth proportional to 18,267,389.48, 25,208,995.38 and 10,925,221.44 is: 15,076,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,389.48 : 25,208,995.38 = 10,925,221.44 : x
  2. Step 2: Convert to fraction form
    18,267,389.48/25,208,995.38 = 10,925,221.44/x
  3. Step 3: Cross multiply
    18,267,389.48x = 25,208,995.38 × 10,925,221.44
  4. Step 4: Simplify right side
    18,267,389.48x = 275,413,856,941,940.25
  5. Step 5: Solve for x
    x = 275,413,856,941,940.25/18,267,389.48
  6. Step 6: Final answer
    x = 15,076,804.34

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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.