Home / 15,235,135.06-21,024,849.72-8,709,371.73

Finding the Fourth Proportional to 15,235,135.06, 21,024,849.72 and 8,709,371.73

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Solution

The fourth proportional to 15,235,135.06, 21,024,849.72 and 8,709,371.73 is: 12,019,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235,135.06 : 21,024,849.72 = 8,709,371.73 : x
  2. Step 2: Convert to fraction form
    15,235,135.06/21,024,849.72 = 8,709,371.73/x
  3. Step 3: Cross multiply
    15,235,135.06x = 21,024,849.72 × 8,709,371.73
  4. Step 4: Simplify right side
    15,235,135.06x = 183,113,231,846,170.31
  5. Step 5: Solve for x
    x = 183,113,231,846,170.31/15,235,135.06
  6. Step 6: Final answer
    x = 12,019,140.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.