Home / 13,493,405.80-20,249,439.90-9,709,604.20

Finding the Fourth Proportional to 13,493,405.80, 20,249,439.90 and 9,709,604.20

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Solution

The fourth proportional to 13,493,405.80, 20,249,439.90 and 9,709,604.20 is: 14,571,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,405.80 : 20,249,439.90 = 9,709,604.20 : x
  2. Step 2: Convert to fraction form
    13,493,405.80/20,249,439.90 = 9,709,604.20/x
  3. Step 3: Cross multiply
    13,493,405.80x = 20,249,439.90 × 9,709,604.20
  4. Step 4: Simplify right side
    13,493,405.80x = 196,614,046,700,687.56
  5. Step 5: Solve for x
    x = 196,614,046,700,687.56/13,493,405.80
  6. Step 6: Final answer
    x = 14,571,120.86

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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.