Home / 9,160,168.25-12,640,137.45-5,292,606.37

Finding the Fourth Proportional to 9,160,168.25, 12,640,137.45 and 5,292,606.37

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Solution

The fourth proportional to 9,160,168.25, 12,640,137.45 and 5,292,606.37 is: 7,303,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160,168.25 : 12,640,137.45 = 5,292,606.37 : x
  2. Step 2: Convert to fraction form
    9,160,168.25/12,640,137.45 = 5,292,606.37/x
  3. Step 3: Cross multiply
    9,160,168.25x = 12,640,137.45 × 5,292,606.37
  4. Step 4: Simplify right side
    9,160,168.25x = 66,899,272,002,451.91
  5. Step 5: Solve for x
    x = 66,899,272,002,451.91/9,160,168.25
  6. Step 6: Final answer
    x = 7,303,279.83

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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.