Home / 28,098,018.20-42,148,193.70-8,928,234.20

Finding the Fourth Proportional to 28,098,018.20, 42,148,193.70 and 8,928,234.20

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Solution

The fourth proportional to 28,098,018.20, 42,148,193.70 and 8,928,234.20 is: 13,392,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098,018.20 : 42,148,193.70 = 8,928,234.20 : x
  2. Step 2: Convert to fraction form
    28,098,018.20/42,148,193.70 = 8,928,234.20/x
  3. Step 3: Cross multiply
    28,098,018.20x = 42,148,193.70 × 8,928,234.20
  4. Step 4: Simplify right side
    28,098,018.20x = 376,308,944,460,564.56
  5. Step 5: Solve for x
    x = 376,308,944,460,564.56/28,098,018.20
  6. Step 6: Final answer
    x = 13,392,721.93

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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.