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Finding the Fourth Proportional to 16,600,719.90, 22,909,034.07 and 9,259,028.61

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Solution

The fourth proportional to 16,600,719.90, 22,909,034.07 and 9,259,028.61 is: 12,777,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,600,719.90 : 22,909,034.07 = 9,259,028.61 : x
  2. Step 2: Convert to fraction form
    16,600,719.90/22,909,034.07 = 9,259,028.61/x
  3. Step 3: Cross multiply
    16,600,719.90x = 22,909,034.07 × 9,259,028.61
  4. Step 4: Simplify right side
    16,600,719.90x = 212,115,401,881,594.72
  5. Step 5: Solve for x
    x = 212,115,401,881,594.72/16,600,719.90
  6. Step 6: Final answer
    x = 12,777,482.13

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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.