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Finding the Fourth Proportional to 14,597,104.01, 20,143,510.02 and 8,401,290.71

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Solution

The fourth proportional to 14,597,104.01, 20,143,510.02 and 8,401,290.71 is: 11,593,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,597,104.01 : 20,143,510.02 = 8,401,290.71 : x
  2. Step 2: Convert to fraction form
    14,597,104.01/20,143,510.02 = 8,401,290.71/x
  3. Step 3: Cross multiply
    14,597,104.01x = 20,143,510.02 × 8,401,290.71
  4. Step 4: Simplify right side
    14,597,104.01x = 169,231,483,497,100.38
  5. Step 5: Solve for x
    x = 169,231,483,497,100.38/14,597,104.01
  6. Step 6: Final answer
    x = 11,593,497.14

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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.