Home / 13,285,403.20-19,928,104.80-8,498,497.60

Finding the Fourth Proportional to 13,285,403.20, 19,928,104.80 and 8,498,497.60

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Solution

The fourth proportional to 13,285,403.20, 19,928,104.80 and 8,498,497.60 is: 12,747,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,403.20 : 19,928,104.80 = 8,498,497.60 : x
  2. Step 2: Convert to fraction form
    13,285,403.20/19,928,104.80 = 8,498,497.60/x
  3. Step 3: Cross multiply
    13,285,403.20x = 19,928,104.80 × 8,498,497.60
  4. Step 4: Simplify right side
    13,285,403.20x = 169,358,950,815,348.47
  5. Step 5: Solve for x
    x = 169,358,950,815,348.47/13,285,403.20
  6. Step 6: Final answer
    x = 12,747,746.40

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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.