Home / 28,135,345.48-42,202,230.90-8,967,252.76

Finding the Fourth Proportional to 28,135,345.48, 42,202,230.90 and 8,967,252.76

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Solution

The fourth proportional to 28,135,345.48, 42,202,230.90 and 8,967,252.76 is: 13,450,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,345.48 : 42,202,230.90 = 8,967,252.76 : x
  2. Step 2: Convert to fraction form
    28,135,345.48/42,202,230.90 = 8,967,252.76/x
  3. Step 3: Cross multiply
    28,135,345.48x = 42,202,230.90 × 8,967,252.76
  4. Step 4: Simplify right side
    28,135,345.48x = 378,438,071,516,182.25
  5. Step 5: Solve for x
    x = 378,438,071,516,182.25/28,135,345.48
  6. Step 6: Final answer
    x = 13,450,628.21

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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.