Home / 9,745,455.12-13,448,564.84-5,394,447.78

Finding the Fourth Proportional to 9,745,455.12, 13,448,564.84 and 5,394,447.78

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Solution

The fourth proportional to 9,745,455.12, 13,448,564.84 and 5,394,447.78 is: 7,444,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,745,455.12 : 13,448,564.84 = 5,394,447.78 : x
  2. Step 2: Convert to fraction form
    9,745,455.12/13,448,564.84 = 5,394,447.78/x
  3. Step 3: Cross multiply
    9,745,455.12x = 13,448,564.84 × 5,394,447.78
  4. Step 4: Simplify right side
    9,745,455.12x = 72,547,580,745,324.06
  5. Step 5: Solve for x
    x = 72,547,580,745,324.06/9,745,455.12
  6. Step 6: Final answer
    x = 7,444,247.59

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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.