Home / 28,218,908.66-42,323,829.14-7,743,845.30

Finding the Fourth Proportional to 28,218,908.66, 42,323,829.14 and 7,743,845.30

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Solution

The fourth proportional to 28,218,908.66, 42,323,829.14 and 7,743,845.30 is: 11,614,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,218,908.66 : 42,323,829.14 = 7,743,845.30 : x
  2. Step 2: Convert to fraction form
    28,218,908.66/42,323,829.14 = 7,743,845.30/x
  3. Step 3: Cross multiply
    28,218,908.66x = 42,323,829.14 × 7,743,845.30
  4. Step 4: Simplify right side
    28,218,908.66x = 327,749,185,171,532.50
  5. Step 5: Solve for x
    x = 327,749,185,171,532.50/28,218,908.66
  6. Step 6: Final answer
    x = 11,614,523.76

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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.