Home / 19,789,806.80-29,663,991.90-8,281,867.46

Finding the Fourth Proportional to 19,789,806.80, 29,663,991.90 and 8,281,867.46

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Solution

The fourth proportional to 19,789,806.80, 29,663,991.90 and 8,281,867.46 is: 12,414,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789,806.80 : 29,663,991.90 = 8,281,867.46 : x
  2. Step 2: Convert to fraction form
    19,789,806.80/29,663,991.90 = 8,281,867.46/x
  3. Step 3: Cross multiply
    19,789,806.80x = 29,663,991.90 × 8,281,867.46
  4. Step 4: Simplify right side
    19,789,806.80x = 245,673,249,250,313.56
  5. Step 5: Solve for x
    x = 245,673,249,250,313.56/19,789,806.80
  6. Step 6: Final answer
    x = 12,414,130.76

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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.