Home / 9,160,171.64-12,640,142.10-5,292,609.76

Finding the Fourth Proportional to 9,160,171.64, 12,640,142.10 and 5,292,609.76

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Solution

The fourth proportional to 9,160,171.64, 12,640,142.10 and 5,292,609.76 is: 7,303,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160,171.64 : 12,640,142.10 = 5,292,609.76 : x
  2. Step 2: Convert to fraction form
    9,160,171.64/12,640,142.10 = 5,292,609.76/x
  3. Step 3: Cross multiply
    9,160,171.64x = 12,640,142.10 × 5,292,609.76
  4. Step 4: Simplify right side
    9,160,171.64x = 66,899,339,481,894.37
  5. Step 5: Solve for x
    x = 66,899,339,481,894.37/9,160,171.64
  6. Step 6: Final answer
    x = 7,303,284.49

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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.