Home / 9,150,401.12-12,629,067.36-5,077,332.32

Finding the Fourth Proportional to 9,150,401.12, 12,629,067.36 and 5,077,332.32

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Solution

The fourth proportional to 9,150,401.12, 12,629,067.36 and 5,077,332.32 is: 7,007,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150,401.12 : 12,629,067.36 = 5,077,332.32 : x
  2. Step 2: Convert to fraction form
    9,150,401.12/12,629,067.36 = 5,077,332.32/x
  3. Step 3: Cross multiply
    9,150,401.12x = 12,629,067.36 × 5,077,332.32
  4. Step 4: Simplify right side
    9,150,401.12x = 64,121,971,878,385.08
  5. Step 5: Solve for x
    x = 64,121,971,878,385.08/9,150,401.12
  6. Step 6: Final answer
    x = 7,007,558.58

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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.