Home / 20,299,516.90-28,010,752.10-11,598,253.09

Finding the Fourth Proportional to 20,299,516.90, 28,010,752.10 and 11,598,253.09

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Solution

The fourth proportional to 20,299,516.90, 28,010,752.10 and 11,598,253.09 is: 16,004,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299,516.90 : 28,010,752.10 = 11,598,253.09 : x
  2. Step 2: Convert to fraction form
    20,299,516.90/28,010,752.10 = 11,598,253.09/x
  3. Step 3: Cross multiply
    20,299,516.90x = 28,010,752.10 × 11,598,253.09
  4. Step 4: Simplify right side
    20,299,516.90x = 324,875,792,097,049
  5. Step 5: Solve for x
    x = 324,875,792,097,049/20,299,516.90
  6. Step 6: Final answer
    x = 16,004,114.47

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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.