Home / 9,489,518.72-13,095,512.21-5,138,604.80

Finding the Fourth Proportional to 9,489,518.72, 13,095,512.21 and 5,138,604.80

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Solution

The fourth proportional to 9,489,518.72, 13,095,512.21 and 5,138,604.80 is: 7,091,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,518.72 : 13,095,512.21 = 5,138,604.80 : x
  2. Step 2: Convert to fraction form
    9,489,518.72/13,095,512.21 = 5,138,604.80/x
  3. Step 3: Cross multiply
    9,489,518.72x = 13,095,512.21 × 5,138,604.80
  4. Step 4: Simplify right side
    9,489,518.72x = 67,292,661,809,594.02
  5. Step 5: Solve for x
    x = 67,292,661,809,594.02/9,489,518.72
  6. Step 6: Final answer
    x = 7,091,261.83

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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.