Home / 14,471,215.43-19,970,312.15-7,945,265.54

Finding the Fourth Proportional to 14,471,215.43, 19,970,312.15 and 7,945,265.54

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Solution

The fourth proportional to 14,471,215.43, 19,970,312.15 and 7,945,265.54 is: 10,964,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471,215.43 : 19,970,312.15 = 7,945,265.54 : x
  2. Step 2: Convert to fraction form
    14,471,215.43/19,970,312.15 = 7,945,265.54/x
  3. Step 3: Cross multiply
    14,471,215.43x = 19,970,312.15 × 7,945,265.54
  4. Step 4: Simplify right side
    14,471,215.43x = 158,669,433,018,227.25
  5. Step 5: Solve for x
    x = 158,669,433,018,227.25/14,471,215.43
  6. Step 6: Final answer
    x = 10,964,485.59

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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.