Home / 18,420,206.36-25,419,439.34-10,160,091.23

Finding the Fourth Proportional to 18,420,206.36, 25,419,439.34 and 10,160,091.23

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Solution

The fourth proportional to 18,420,206.36, 25,419,439.34 and 10,160,091.23 is: 14,020,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420,206.36 : 25,419,439.34 = 10,160,091.23 : x
  2. Step 2: Convert to fraction form
    18,420,206.36/25,419,439.34 = 10,160,091.23/x
  3. Step 3: Cross multiply
    18,420,206.36x = 25,419,439.34 × 10,160,091.23
  4. Step 4: Simplify right side
    18,420,206.36x = 258,263,822,570,053.69
  5. Step 5: Solve for x
    x = 258,263,822,570,053.69/18,420,206.36
  6. Step 6: Final answer
    x = 14,020,680.20

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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.