Home / 8,456,037.12-11,671,404.48-5,193,633.60

Finding the Fourth Proportional to 8,456,037.12, 11,671,404.48 and 5,193,633.60

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Solution

The fourth proportional to 8,456,037.12, 11,671,404.48 and 5,193,633.60 is: 7,168,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456,037.12 : 11,671,404.48 = 5,193,633.60 : x
  2. Step 2: Convert to fraction form
    8,456,037.12/11,671,404.48 = 5,193,633.60/x
  3. Step 3: Cross multiply
    8,456,037.12x = 11,671,404.48 × 5,193,633.60
  4. Step 4: Simplify right side
    8,456,037.12x = 60,616,998,466,518.52
  5. Step 5: Solve for x
    x = 60,616,998,466,518.52/8,456,037.12
  6. Step 6: Final answer
    x = 7,168,487.75

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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.