Home / 9,486,317.64-13,091,115.56-5,135,400.72

Finding the Fourth Proportional to 9,486,317.64, 13,091,115.56 and 5,135,400.72

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Solution

The fourth proportional to 9,486,317.64, 13,091,115.56 and 5,135,400.72 is: 7,086,851.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486,317.64 : 13,091,115.56 = 5,135,400.72 : x
  2. Step 2: Convert to fraction form
    9,486,317.64/13,091,115.56 = 5,135,400.72/x
  3. Step 3: Cross multiply
    9,486,317.64x = 13,091,115.56 × 5,135,400.72
  4. Step 4: Simplify right side
    9,486,317.64x = 67,228,124,272,427.20
  5. Step 5: Solve for x
    x = 67,228,124,272,427.20/9,486,317.64
  6. Step 6: Final answer
    x = 7,086,851.49

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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.