Home / 13,481,985.06-20,220,017.85-3,895,277.85

Finding the Fourth Proportional to 13,481,985.06, 20,220,017.85 and 3,895,277.85

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Solution

The fourth proportional to 13,481,985.06, 20,220,017.85 and 3,895,277.85 is: 5,842,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,985.06 : 20,220,017.85 = 3,895,277.85 : x
  2. Step 2: Convert to fraction form
    13,481,985.06/20,220,017.85 = 3,895,277.85/x
  3. Step 3: Cross multiply
    13,481,985.06x = 20,220,017.85 × 3,895,277.85
  4. Step 4: Simplify right side
    13,481,985.06x = 78,762,587,657,709.62
  5. Step 5: Solve for x
    x = 78,762,587,657,709.62/13,481,985.06
  6. Step 6: Final answer
    x = 5,842,061.63

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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.