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Finding the Fourth Proportional to 8,636,387.30, 12,954,597.30 and 2,246,629.40

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Solution

The fourth proportional to 8,636,387.30, 12,954,597.30 and 2,246,629.40 is: 3,369,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636,387.30 : 12,954,597.30 = 2,246,629.40 : x
  2. Step 2: Convert to fraction form
    8,636,387.30/12,954,597.30 = 2,246,629.40/x
  3. Step 3: Cross multiply
    8,636,387.30x = 12,954,597.30 × 2,246,629.40
  4. Step 4: Simplify right side
    8,636,387.30x = 29,104,179,159,340.62
  5. Step 5: Solve for x
    x = 29,104,179,159,340.62/8,636,387.30
  6. Step 6: Final answer
    x = 3,369,948.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.