Home / 18,256,169.32-25,195,203.70-10,107,407.32

Finding the Fourth Proportional to 18,256,169.32, 25,195,203.70 and 10,107,407.32

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Solution

The fourth proportional to 18,256,169.32, 25,195,203.70 and 10,107,407.32 is: 13,949,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256,169.32 : 25,195,203.70 = 10,107,407.32 : x
  2. Step 2: Convert to fraction form
    18,256,169.32/25,195,203.70 = 10,107,407.32/x
  3. Step 3: Cross multiply
    18,256,169.32x = 25,195,203.70 × 10,107,407.32
  4. Step 4: Simplify right side
    18,256,169.32x = 254,658,186,306,271.09
  5. Step 5: Solve for x
    x = 254,658,186,306,271.09/18,256,169.32
  6. Step 6: Final answer
    x = 13,949,157.78

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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.