Home / 28,097,828.20-42,147,908.70-8,928,044.20

Finding the Fourth Proportional to 28,097,828.20, 42,147,908.70 and 8,928,044.20

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Solution

The fourth proportional to 28,097,828.20, 42,147,908.70 and 8,928,044.20 is: 13,392,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097,828.20 : 42,147,908.70 = 8,928,044.20 : x
  2. Step 2: Convert to fraction form
    28,097,828.20/42,147,908.70 = 8,928,044.20/x
  3. Step 3: Cross multiply
    28,097,828.20x = 42,147,908.70 × 8,928,044.20
  4. Step 4: Simplify right side
    28,097,828.20x = 376,298,391,811,164.56
  5. Step 5: Solve for x
    x = 376,298,391,811,164.56/28,097,828.20
  6. Step 6: Final answer
    x = 13,392,436.92

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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.