Home / 28,700,221.50-43,050,493-7,134,822.42

Finding the Fourth Proportional to 28,700,221.50, 43,050,493 and 7,134,822.42

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Solution

The fourth proportional to 28,700,221.50, 43,050,493 and 7,134,822.42 is: 10,702,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700,221.50 : 43,050,493 = 7,134,822.42 : x
  2. Step 2: Convert to fraction form
    28,700,221.50/43,050,493 = 7,134,822.42/x
  3. Step 3: Cross multiply
    28,700,221.50x = 43,050,493 × 7,134,822.42
  4. Step 4: Simplify right side
    28,700,221.50x = 307,157,622,648,453.06
  5. Step 5: Solve for x
    x = 307,157,622,648,453.06/28,700,221.50
  6. Step 6: Final answer
    x = 10,702,273.59

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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.