Home / 12,887,869.80-19,331,367.30-3,303,342.30

Finding the Fourth Proportional to 12,887,869.80, 19,331,367.30 and 3,303,342.30

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Solution

The fourth proportional to 12,887,869.80, 19,331,367.30 and 3,303,342.30 is: 4,954,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,869.80 : 19,331,367.30 = 3,303,342.30 : x
  2. Step 2: Convert to fraction form
    12,887,869.80/19,331,367.30 = 3,303,342.30/x
  3. Step 3: Cross multiply
    12,887,869.80x = 19,331,367.30 × 3,303,342.30
  4. Step 4: Simplify right side
    12,887,869.80x = 63,858,123,318,926.79
  5. Step 5: Solve for x
    x = 63,858,123,318,926.79/12,887,869.80
  6. Step 6: Final answer
    x = 4,954,901.34

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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.