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Finding the Fourth Proportional to 22,702,826.62, 31,329,892.08 and 12,389,549.71

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Solution

The fourth proportional to 22,702,826.62, 31,329,892.08 and 12,389,549.71 is: 17,097,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,702,826.62 : 31,329,892.08 = 12,389,549.71 : x
  2. Step 2: Convert to fraction form
    22,702,826.62/31,329,892.08 = 12,389,549.71/x
  3. Step 3: Cross multiply
    22,702,826.62x = 31,329,892.08 × 12,389,549.71
  4. Step 4: Simplify right side
    22,702,826.62x = 388,163,255,334,095.31
  5. Step 5: Solve for x
    x = 388,163,255,334,095.31/22,702,826.62
  6. Step 6: Final answer
    x = 17,097,573.88

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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.