Home / 25,702,991.20-38,553,393.30-8,663,636.80

Finding the Fourth Proportional to 25,702,991.20, 38,553,393.30 and 8,663,636.80

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Solution

The fourth proportional to 25,702,991.20, 38,553,393.30 and 8,663,636.80 is: 12,995,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702,991.20 : 38,553,393.30 = 8,663,636.80 : x
  2. Step 2: Convert to fraction form
    25,702,991.20/38,553,393.30 = 8,663,636.80/x
  3. Step 3: Cross multiply
    25,702,991.20x = 38,553,393.30 × 8,663,636.80
  4. Step 4: Simplify right side
    25,702,991.20x = 334,012,596,958,753.44
  5. Step 5: Solve for x
    x = 334,012,596,958,753.44/25,702,991.20
  6. Step 6: Final answer
    x = 12,995,086.62

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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.