Home / 18,256,172.28-25,195,207.86-10,107,410.28

Finding the Fourth Proportional to 18,256,172.28, 25,195,207.86 and 10,107,410.28

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Solution

The fourth proportional to 18,256,172.28, 25,195,207.86 and 10,107,410.28 is: 13,949,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256,172.28 : 25,195,207.86 = 10,107,410.28 : x
  2. Step 2: Convert to fraction form
    18,256,172.28/25,195,207.86 = 10,107,410.28/x
  3. Step 3: Cross multiply
    18,256,172.28x = 25,195,207.86 × 10,107,410.28
  4. Step 4: Simplify right side
    18,256,172.28x = 254,658,302,930,900.78
  5. Step 5: Solve for x
    x = 254,658,302,930,900.78/18,256,172.28
  6. Step 6: Final answer
    x = 13,949,161.91

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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.