Home / 12,295,704.36-18,363,838.47-11,140,643.15

Finding the Fourth Proportional to 12,295,704.36, 18,363,838.47 and 11,140,643.15

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Solution

The fourth proportional to 12,295,704.36, 18,363,838.47 and 11,140,643.15 is: 16,638,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,704.36 : 18,363,838.47 = 11,140,643.15 : x
  2. Step 2: Convert to fraction form
    12,295,704.36/18,363,838.47 = 11,140,643.15/x
  3. Step 3: Cross multiply
    12,295,704.36x = 18,363,838.47 × 11,140,643.15
  4. Step 4: Simplify right side
    12,295,704.36x = 204,584,971,304,421.56
  5. Step 5: Solve for x
    x = 204,584,971,304,421.56/12,295,704.36
  6. Step 6: Final answer
    x = 16,638,735.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.