Home / 10,480,059.40-15,682,764.30-7,270,126.60

Finding the Fourth Proportional to 10,480,059.40, 15,682,764.30 and 7,270,126.60

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Solution

The fourth proportional to 10,480,059.40, 15,682,764.30 and 7,270,126.60 is: 10,879,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480,059.40 : 15,682,764.30 = 7,270,126.60 : x
  2. Step 2: Convert to fraction form
    10,480,059.40/15,682,764.30 = 7,270,126.60/x
  3. Step 3: Cross multiply
    10,480,059.40x = 15,682,764.30 × 7,270,126.60
  4. Step 4: Simplify right side
    10,480,059.40x = 114,015,681,898,960.38
  5. Step 5: Solve for x
    x = 114,015,681,898,960.38/10,480,059.40
  6. Step 6: Final answer
    x = 10,879,297.30

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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.