Home / 28,092,921.82-42,142,756.18-9,893,352.98

Finding the Fourth Proportional to 28,092,921.82, 42,142,756.18 and 9,893,352.98

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Solution

The fourth proportional to 28,092,921.82, 42,142,756.18 and 9,893,352.98 is: 14,841,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092,921.82 : 42,142,756.18 = 9,893,352.98 : x
  2. Step 2: Convert to fraction form
    28,092,921.82/42,142,756.18 = 9,893,352.98/x
  3. Step 3: Cross multiply
    28,092,921.82x = 42,142,756.18 × 9,893,352.98
  4. Step 4: Simplify right side
    28,092,921.82x = 416,933,162,438,816.44
  5. Step 5: Solve for x
    x = 416,933,162,438,816.44/28,092,921.82
  6. Step 6: Final answer
    x = 14,841,217.48

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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.