Home / 12,976,824.53-19,469,501.53-5,306,921.21

Finding the Fourth Proportional to 12,976,824.53, 19,469,501.53 and 5,306,921.21

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Solution

The fourth proportional to 12,976,824.53, 19,469,501.53 and 5,306,921.21 is: 7,962,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976,824.53 : 19,469,501.53 = 5,306,921.21 : x
  2. Step 2: Convert to fraction form
    12,976,824.53/19,469,501.53 = 5,306,921.21/x
  3. Step 3: Cross multiply
    12,976,824.53x = 19,469,501.53 × 5,306,921.21
  4. Step 4: Simplify right side
    12,976,824.53x = 103,323,110,653,090.91
  5. Step 5: Solve for x
    x = 103,323,110,653,090.91/12,976,824.53
  6. Step 6: Final answer
    x = 7,962,125.90

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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.