Home / 9,391,480.80-12,954,221.64-6,449,878.32

Finding the Fourth Proportional to 9,391,480.80, 12,954,221.64 and 6,449,878.32

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Solution

The fourth proportional to 9,391,480.80, 12,954,221.64 and 6,449,878.32 is: 8,896,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,391,480.80 : 12,954,221.64 = 6,449,878.32 : x
  2. Step 2: Convert to fraction form
    9,391,480.80/12,954,221.64 = 6,449,878.32/x
  3. Step 3: Cross multiply
    9,391,480.80x = 12,954,221.64 × 6,449,878.32
  4. Step 4: Simplify right side
    9,391,480.80x = 83,553,153,308,310.86
  5. Step 5: Solve for x
    x = 83,553,153,308,310.86/9,391,480.80
  6. Step 6: Final answer
    x = 8,896,696.39

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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.