Home / 19,170,981.66-28,760,512.86-6,216,122.64

Finding the Fourth Proportional to 19,170,981.66, 28,760,512.86 and 6,216,122.64

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Solution

The fourth proportional to 19,170,981.66, 28,760,512.86 and 6,216,122.64 is: 9,325,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170,981.66 : 28,760,512.86 = 6,216,122.64 : x
  2. Step 2: Convert to fraction form
    19,170,981.66/28,760,512.86 = 6,216,122.64/x
  3. Step 3: Cross multiply
    19,170,981.66x = 28,760,512.86 × 6,216,122.64
  4. Step 4: Simplify right side
    19,170,981.66x = 178,778,875,127,057.12
  5. Step 5: Solve for x
    x = 178,778,875,127,057.12/19,170,981.66
  6. Step 6: Final answer
    x = 9,325,494.04

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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.