Home / 13,493,406.30-20,249,440.65-9,709,604.70

Finding the Fourth Proportional to 13,493,406.30, 20,249,440.65 and 9,709,604.70

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Solution

The fourth proportional to 13,493,406.30, 20,249,440.65 and 9,709,604.70 is: 14,571,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,406.30 : 20,249,440.65 = 9,709,604.70 : x
  2. Step 2: Convert to fraction form
    13,493,406.30/20,249,440.65 = 9,709,604.70/x
  3. Step 3: Cross multiply
    13,493,406.30x = 20,249,440.65 × 9,709,604.70
  4. Step 4: Simplify right side
    13,493,406.30x = 196,614,064,107,611.03
  5. Step 5: Solve for x
    x = 196,614,064,107,611.03/13,493,406.30
  6. Step 6: Final answer
    x = 14,571,121.61

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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.