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Finding the Fourth Proportional to 14,487,181.20, 21,730,771.80 and 12,148,840.80

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Solution

The fourth proportional to 14,487,181.20, 21,730,771.80 and 12,148,840.80 is: 18,223,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,181.20 : 21,730,771.80 = 12,148,840.80 : x
  2. Step 2: Convert to fraction form
    14,487,181.20/21,730,771.80 = 12,148,840.80/x
  3. Step 3: Cross multiply
    14,487,181.20x = 21,730,771.80 × 12,148,840.80
  4. Step 4: Simplify right side
    14,487,181.20x = 264,003,687,059,329.47
  5. Step 5: Solve for x
    x = 264,003,687,059,329.47/14,487,181.20
  6. Step 6: Final answer
    x = 18,223,261.20

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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.