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Finding the Fourth Proportional to 15,600,918.20, 23,392,046.10 and 8,042,646.20

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Solution

The fourth proportional to 15,600,918.20, 23,392,046.10 and 8,042,646.20 is: 12,059,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600,918.20 : 23,392,046.10 = 8,042,646.20 : x
  2. Step 2: Convert to fraction form
    15,600,918.20/23,392,046.10 = 8,042,646.20/x
  3. Step 3: Cross multiply
    15,600,918.20x = 23,392,046.10 × 8,042,646.20
  4. Step 4: Simplify right side
    15,600,918.20x = 188,133,950,676,389.84
  5. Step 5: Solve for x
    x = 188,133,950,676,389.84/15,600,918.20
  6. Step 6: Final answer
    x = 12,059,158.84

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1.5x scale

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.