Home / 12,685,122.32-17,505,480-6,883,904

Finding the Fourth Proportional to 12,685,122.32, 17,505,480 and 6,883,904

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Solution

The fourth proportional to 12,685,122.32, 17,505,480 and 6,883,904 is: 9,499,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685,122.32 : 17,505,480 = 6,883,904 : x
  2. Step 2: Convert to fraction form
    12,685,122.32/17,505,480 = 6,883,904/x
  3. Step 3: Cross multiply
    12,685,122.32x = 17,505,480 × 6,883,904
  4. Step 4: Simplify right side
    12,685,122.32x = 120,506,043,793,920
  5. Step 5: Solve for x
    x = 120,506,043,793,920/12,685,122.32
  6. Step 6: Final answer
    x = 9,499,793.60

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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.