Home / 7,906,780.80-10,911,352.32-4,285,108.80

Finding the Fourth Proportional to 7,906,780.80, 10,911,352.32 and 4,285,108.80

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Solution

The fourth proportional to 7,906,780.80, 10,911,352.32 and 4,285,108.80 is: 5,913,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906,780.80 : 10,911,352.32 = 4,285,108.80 : x
  2. Step 2: Convert to fraction form
    7,906,780.80/10,911,352.32 = 4,285,108.80/x
  3. Step 3: Cross multiply
    7,906,780.80x = 10,911,352.32 × 4,285,108.80
  4. Step 4: Simplify right side
    7,906,780.80x = 46,756,331,846,332.41
  5. Step 5: Solve for x
    x = 46,756,331,846,332.41/7,906,780.80
  6. Step 6: Final answer
    x = 5,913,447.33

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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.