Home / 13,202,157.13-18,220,067.52-7,323,686.60

Finding the Fourth Proportional to 13,202,157.13, 18,220,067.52 and 7,323,686.60

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Solution

The fourth proportional to 13,202,157.13, 18,220,067.52 and 7,323,686.60 is: 10,107,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202,157.13 : 18,220,067.52 = 7,323,686.60 : x
  2. Step 2: Convert to fraction form
    13,202,157.13/18,220,067.52 = 7,323,686.60/x
  3. Step 3: Cross multiply
    13,202,157.13x = 18,220,067.52 × 7,323,686.60
  4. Step 4: Simplify right side
    13,202,157.13x = 133,438,064,399,276.88
  5. Step 5: Solve for x
    x = 133,438,064,399,276.88/13,202,157.13
  6. Step 6: Final answer
    x = 10,107,292.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.