Home / 8,341,886.80-12,488,335.80-6,221,371.60

Finding the Fourth Proportional to 8,341,886.80, 12,488,335.80 and 6,221,371.60

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Solution

The fourth proportional to 8,341,886.80, 12,488,335.80 and 6,221,371.60 is: 9,313,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341,886.80 : 12,488,335.80 = 6,221,371.60 : x
  2. Step 2: Convert to fraction form
    8,341,886.80/12,488,335.80 = 6,221,371.60/x
  3. Step 3: Cross multiply
    8,341,886.80x = 12,488,335.80 × 6,221,371.60
  4. Step 4: Simplify right side
    8,341,886.80x = 77,694,577,677,383.28
  5. Step 5: Solve for x
    x = 77,694,577,677,383.28/8,341,886.80
  6. Step 6: Final answer
    x = 9,313,789.50

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1.5x scale

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.