Home / 19,281,976.96-28,922,630.45-7,767,149.84

Finding the Fourth Proportional to 19,281,976.96, 28,922,630.45 and 7,767,149.84

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Solution

The fourth proportional to 19,281,976.96, 28,922,630.45 and 7,767,149.84 is: 11,650,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281,976.96 : 28,922,630.45 = 7,767,149.84 : x
  2. Step 2: Convert to fraction form
    19,281,976.96/28,922,630.45 = 7,767,149.84/x
  3. Step 3: Cross multiply
    19,281,976.96x = 28,922,630.45 × 7,767,149.84
  4. Step 4: Simplify right side
    19,281,976.96x = 224,646,404,433,260.88
  5. Step 5: Solve for x
    x = 224,646,404,433,260.88/19,281,976.96
  6. Step 6: Final answer
    x = 11,650,589.82

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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.