Home / 12,805,491.57-19,206,822.15-3,220,873.89

Finding the Fourth Proportional to 12,805,491.57, 19,206,822.15 and 3,220,873.89

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Solution

The fourth proportional to 12,805,491.57, 19,206,822.15 and 3,220,873.89 is: 4,830,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,491.57 : 19,206,822.15 = 3,220,873.89 : x
  2. Step 2: Convert to fraction form
    12,805,491.57/19,206,822.15 = 3,220,873.89/x
  3. Step 3: Cross multiply
    12,805,491.57x = 19,206,822.15 × 3,220,873.89
  4. Step 4: Simplify right side
    12,805,491.57x = 61,862,751,972,808.66
  5. Step 5: Solve for x
    x = 61,862,751,972,808.66/12,805,491.57
  6. Step 6: Final answer
    x = 4,830,954.88

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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.