Home / 11,212,020.90-15,465,479.31-7,074,826.53

Finding the Fourth Proportional to 11,212,020.90, 15,465,479.31 and 7,074,826.53

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Solution

The fourth proportional to 11,212,020.90, 15,465,479.31 and 7,074,826.53 is: 9,758,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212,020.90 : 15,465,479.31 = 7,074,826.53 : x
  2. Step 2: Convert to fraction form
    11,212,020.90/15,465,479.31 = 7,074,826.53/x
  3. Step 3: Cross multiply
    11,212,020.90x = 15,465,479.31 × 7,074,826.53
  4. Step 4: Simplify right side
    11,212,020.90x = 109,415,583,321,554.11
  5. Step 5: Solve for x
    x = 109,415,583,321,554.11/11,212,020.90
  6. Step 6: Final answer
    x = 9,758,774.47

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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.