Home / 14,665,940.10-20,167,210.68-12,728,827.26

Finding the Fourth Proportional to 14,665,940.10, 20,167,210.68 and 12,728,827.26

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Solution

The fourth proportional to 14,665,940.10, 20,167,210.68 and 12,728,827.26 is: 17,503,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665,940.10 : 20,167,210.68 = 12,728,827.26 : x
  2. Step 2: Convert to fraction form
    14,665,940.10/20,167,210.68 = 12,728,827.26/x
  3. Step 3: Cross multiply
    14,665,940.10x = 20,167,210.68 × 12,728,827.26
  4. Step 4: Simplify right side
    14,665,940.10x = 256,704,941,061,747.12
  5. Step 5: Solve for x
    x = 256,704,941,061,747.12/14,665,940.10
  6. Step 6: Final answer
    x = 17,503,476.72

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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.