Home / 28,018,234.80-42,027,352.20-9,842,952.60

Finding the Fourth Proportional to 28,018,234.80, 42,027,352.20 and 9,842,952.60

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Solution

The fourth proportional to 28,018,234.80, 42,027,352.20 and 9,842,952.60 is: 14,764,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,234.80 : 42,027,352.20 = 9,842,952.60 : x
  2. Step 2: Convert to fraction form
    28,018,234.80/42,027,352.20 = 9,842,952.60/x
  3. Step 3: Cross multiply
    28,018,234.80x = 42,027,352.20 × 9,842,952.60
  4. Step 4: Simplify right side
    28,018,234.80x = 413,673,235,608,105.75
  5. Step 5: Solve for x
    x = 413,673,235,608,105.75/28,018,234.80
  6. Step 6: Final answer
    x = 14,764,428.90

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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.