Home / 12,852,896.49-19,278,665.67-4,215,859.20

Finding the Fourth Proportional to 12,852,896.49, 19,278,665.67 and 4,215,859.20

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Solution

The fourth proportional to 12,852,896.49, 19,278,665.67 and 4,215,859.20 is: 6,323,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852,896.49 : 19,278,665.67 = 4,215,859.20 : x
  2. Step 2: Convert to fraction form
    12,852,896.49/19,278,665.67 = 4,215,859.20/x
  3. Step 3: Cross multiply
    12,852,896.49x = 19,278,665.67 × 4,215,859.20
  4. Step 4: Simplify right side
    12,852,896.49x = 81,276,140,028,593.67
  5. Step 5: Solve for x
    x = 81,276,140,028,593.67/12,852,896.49
  6. Step 6: Final answer
    x = 6,323,566.06

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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.