Home / 13,469,153.80-20,203,730.70-9,430,202.20

Finding the Fourth Proportional to 13,469,153.80, 20,203,730.70 and 9,430,202.20

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Solution

The fourth proportional to 13,469,153.80, 20,203,730.70 and 9,430,202.20 is: 14,145,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,153.80 : 20,203,730.70 = 9,430,202.20 : x
  2. Step 2: Convert to fraction form
    13,469,153.80/20,203,730.70 = 9,430,202.20/x
  3. Step 3: Cross multiply
    13,469,153.80x = 20,203,730.70 × 9,430,202.20
  4. Step 4: Simplify right side
    13,469,153.80x = 190,525,265,695,347.53
  5. Step 5: Solve for x
    x = 190,525,265,695,347.53/13,469,153.80
  6. Step 6: Final answer
    x = 14,145,303.30

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1.5x scale

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.