Home / 11,400,986.29-17,101,590.16-9,120,846.21

Finding the Fourth Proportional to 11,400,986.29, 17,101,590.16 and 9,120,846.21

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Solution

The fourth proportional to 11,400,986.29, 17,101,590.16 and 9,120,846.21 is: 13,681,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400,986.29 : 17,101,590.16 = 9,120,846.21 : x
  2. Step 2: Convert to fraction form
    11,400,986.29/17,101,590.16 = 9,120,846.21/x
  3. Step 3: Cross multiply
    11,400,986.29x = 17,101,590.16 × 9,120,846.21
  4. Step 4: Simplify right side
    11,400,986.29x = 155,980,973,831,800.75
  5. Step 5: Solve for x
    x = 155,980,973,831,800.75/11,400,986.29
  6. Step 6: Final answer
    x = 13,681,357.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.