Home / 8,121,176.25-11,206,155.65-4,856,798.49

Finding the Fourth Proportional to 8,121,176.25, 11,206,155.65 and 4,856,798.49

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Solution

The fourth proportional to 8,121,176.25, 11,206,155.65 and 4,856,798.49 is: 6,701,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,176.25 : 11,206,155.65 = 4,856,798.49 : x
  2. Step 2: Convert to fraction form
    8,121,176.25/11,206,155.65 = 4,856,798.49/x
  3. Step 3: Cross multiply
    8,121,176.25x = 11,206,155.65 × 4,856,798.49
  4. Step 4: Simplify right side
    8,121,176.25x = 54,426,039,815,340.98
  5. Step 5: Solve for x
    x = 54,426,039,815,340.98/8,121,176.25
  6. Step 6: Final answer
    x = 6,701,743.46

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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.