Home / 8,156,253.10-11,255,918.76-4,485,448.76

Finding the Fourth Proportional to 8,156,253.10, 11,255,918.76 and 4,485,448.76

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Solution

The fourth proportional to 8,156,253.10, 11,255,918.76 and 4,485,448.76 is: 6,190,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156,253.10 : 11,255,918.76 = 4,485,448.76 : x
  2. Step 2: Convert to fraction form
    8,156,253.10/11,255,918.76 = 4,485,448.76/x
  3. Step 3: Cross multiply
    8,156,253.10x = 11,255,918.76 × 4,485,448.76
  4. Step 4: Simplify right side
    8,156,253.10x = 50,487,846,844,702.73
  5. Step 5: Solve for x
    x = 50,487,846,844,702.73/8,156,253.10
  6. Step 6: Final answer
    x = 6,190,078.49

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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.