Home / 9,388,716.48-12,956,634.72-5,717,805.12

Finding the Fourth Proportional to 9,388,716.48, 12,956,634.72 and 5,717,805.12

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Solution

The fourth proportional to 9,388,716.48, 12,956,634.72 and 5,717,805.12 is: 7,890,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388,716.48 : 12,956,634.72 = 5,717,805.12 : x
  2. Step 2: Convert to fraction form
    9,388,716.48/12,956,634.72 = 5,717,805.12/x
  3. Step 3: Cross multiply
    9,388,716.48x = 12,956,634.72 × 5,717,805.12
  4. Step 4: Simplify right side
    9,388,716.48x = 74,083,512,339,985.77
  5. Step 5: Solve for x
    x = 74,083,512,339,985.77/9,388,716.48
  6. Step 6: Final answer
    x = 7,890,696.51

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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.