Home / 9,917,945.32-13,687,701.24-5,787,642.64

Finding the Fourth Proportional to 9,917,945.32, 13,687,701.24 and 5,787,642.64

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Solution

The fourth proportional to 9,917,945.32, 13,687,701.24 and 5,787,642.64 is: 7,987,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917,945.32 : 13,687,701.24 = 5,787,642.64 : x
  2. Step 2: Convert to fraction form
    9,917,945.32/13,687,701.24 = 5,787,642.64/x
  3. Step 3: Cross multiply
    9,917,945.32x = 13,687,701.24 × 5,787,642.64
  4. Step 4: Simplify right side
    9,917,945.32x = 79,219,523,340,204.88
  5. Step 5: Solve for x
    x = 79,219,523,340,204.88/9,917,945.32
  6. Step 6: Final answer
    x = 7,987,493.46

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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.