Home / 18,150,620.80-27,225,931.20-9,174,006.40

Finding the Fourth Proportional to 18,150,620.80, 27,225,931.20 and 9,174,006.40

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Solution

The fourth proportional to 18,150,620.80, 27,225,931.20 and 9,174,006.40 is: 13,761,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150,620.80 : 27,225,931.20 = 9,174,006.40 : x
  2. Step 2: Convert to fraction form
    18,150,620.80/27,225,931.20 = 9,174,006.40/x
  3. Step 3: Cross multiply
    18,150,620.80x = 27,225,931.20 × 9,174,006.40
  4. Step 4: Simplify right side
    18,150,620.80x = 249,770,867,074,759.69
  5. Step 5: Solve for x
    x = 249,770,867,074,759.69/18,150,620.80
  6. Step 6: Final answer
    x = 13,761,009.60

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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.