Home / 13,850,909.20-20,776,720.20-6,562,658.80

Finding the Fourth Proportional to 13,850,909.20, 20,776,720.20 and 6,562,658.80

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Solution

The fourth proportional to 13,850,909.20, 20,776,720.20 and 6,562,658.80 is: 9,844,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850,909.20 : 20,776,720.20 = 6,562,658.80 : x
  2. Step 2: Convert to fraction form
    13,850,909.20/20,776,720.20 = 6,562,658.80/x
  3. Step 3: Cross multiply
    13,850,909.20x = 20,776,720.20 × 6,562,658.80
  4. Step 4: Simplify right side
    13,850,909.20x = 136,350,525,655,667.75
  5. Step 5: Solve for x
    x = 136,350,525,655,667.75/13,850,909.20
  6. Step 6: Final answer
    x = 9,844,157.06

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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.