Home / 12,698,704.40-17,524,353.72-7,472,867.60

Finding the Fourth Proportional to 12,698,704.40, 17,524,353.72 and 7,472,867.60

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Solution

The fourth proportional to 12,698,704.40, 17,524,353.72 and 7,472,867.60 is: 10,312,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,704.40 : 17,524,353.72 = 7,472,867.60 : x
  2. Step 2: Convert to fraction form
    12,698,704.40/17,524,353.72 = 7,472,867.60/x
  3. Step 3: Cross multiply
    12,698,704.40x = 17,524,353.72 × 7,472,867.60
  4. Step 4: Simplify right side
    12,698,704.40x = 130,957,175,125,127.45
  5. Step 5: Solve for x
    x = 130,957,175,125,127.45/12,698,704.40
  6. Step 6: Final answer
    x = 10,312,640.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.