Home / 6,400,512.60-8,825,160.24-5,173,022.40

Finding the Fourth Proportional to 6,400,512.60, 8,825,160.24 and 5,173,022.40

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Solution

The fourth proportional to 6,400,512.60, 8,825,160.24 and 5,173,022.40 is: 7,132,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,512.60 : 8,825,160.24 = 5,173,022.40 : x
  2. Step 2: Convert to fraction form
    6,400,512.60/8,825,160.24 = 5,173,022.40/x
  3. Step 3: Cross multiply
    6,400,512.60x = 8,825,160.24 × 5,173,022.40
  4. Step 4: Simplify right side
    6,400,512.60x = 45,652,751,605,109.38
  5. Step 5: Solve for x
    x = 45,652,751,605,109.38/6,400,512.60
  6. Step 6: Final answer
    x = 7,132,671.16

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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.