Home / 8,753,126.40-13,128,460.80-2,770,099.20

Finding the Fourth Proportional to 8,753,126.40, 13,128,460.80 and 2,770,099.20

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Solution

The fourth proportional to 8,753,126.40, 13,128,460.80 and 2,770,099.20 is: 4,154,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753,126.40 : 13,128,460.80 = 2,770,099.20 : x
  2. Step 2: Convert to fraction form
    8,753,126.40/13,128,460.80 = 2,770,099.20/x
  3. Step 3: Cross multiply
    8,753,126.40x = 13,128,460.80 × 2,770,099.20
  4. Step 4: Simplify right side
    8,753,126.40x = 36,367,138,759,311.37
  5. Step 5: Solve for x
    x = 36,367,138,759,311.37/8,753,126.40
  6. Step 6: Final answer
    x = 4,154,759.92

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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.