Home / 13,194,982.80-19,780,954.20-5,113,472.40

Finding the Fourth Proportional to 13,194,982.80, 19,780,954.20 and 5,113,472.40

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Solution

The fourth proportional to 13,194,982.80, 19,780,954.20 and 5,113,472.40 is: 7,665,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,982.80 : 19,780,954.20 = 5,113,472.40 : x
  2. Step 2: Convert to fraction form
    13,194,982.80/19,780,954.20 = 5,113,472.40/x
  3. Step 3: Cross multiply
    13,194,982.80x = 19,780,954.20 × 5,113,472.40
  4. Step 4: Simplify right side
    13,194,982.80x = 101,149,363,347,364.08
  5. Step 5: Solve for x
    x = 101,149,363,347,364.08/13,194,982.80
  6. Step 6: Final answer
    x = 7,665,744.24

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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.