Home / 14,665,941.10-20,167,212.06-12,728,828.26

Finding the Fourth Proportional to 14,665,941.10, 20,167,212.06 and 12,728,828.26

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Solution

The fourth proportional to 14,665,941.10, 20,167,212.06 and 12,728,828.26 is: 17,503,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665,941.10 : 20,167,212.06 = 12,728,828.26 : x
  2. Step 2: Convert to fraction form
    14,665,941.10/20,167,212.06 = 12,728,828.26/x
  3. Step 3: Cross multiply
    14,665,941.10x = 20,167,212.06 × 12,728,828.26
  4. Step 4: Simplify right side
    14,665,941.10x = 256,704,978,794,740.78
  5. Step 5: Solve for x
    x = 256,704,978,794,740.78/14,665,941.10
  6. Step 6: Final answer
    x = 17,503,478.10

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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.