Home / 14,162,873.49-21,208,436.15-8,782,033.37

Finding the Fourth Proportional to 14,162,873.49, 21,208,436.15 and 8,782,033.37

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Solution

The fourth proportional to 14,162,873.49, 21,208,436.15 and 8,782,033.37 is: 13,150,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162,873.49 : 21,208,436.15 = 8,782,033.37 : x
  2. Step 2: Convert to fraction form
    14,162,873.49/21,208,436.15 = 8,782,033.37/x
  3. Step 3: Cross multiply
    14,162,873.49x = 21,208,436.15 × 8,782,033.37
  4. Step 4: Simplify right side
    14,162,873.49x = 186,253,193,844,861.97
  5. Step 5: Solve for x
    x = 186,253,193,844,861.97/14,162,873.49
  6. Step 6: Final answer
    x = 13,150,805.45

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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.