Home / 19,677,396.10-29,516,094.15-18,880,234.60

Finding the Fourth Proportional to 19,677,396.10, 29,516,094.15 and 18,880,234.60

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Solution

The fourth proportional to 19,677,396.10, 29,516,094.15 and 18,880,234.60 is: 28,320,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677,396.10 : 29,516,094.15 = 18,880,234.60 : x
  2. Step 2: Convert to fraction form
    19,677,396.10/29,516,094.15 = 18,880,234.60/x
  3. Step 3: Cross multiply
    19,677,396.10x = 29,516,094.15 × 18,880,234.60
  4. Step 4: Simplify right side
    19,677,396.10x = 557,270,782,027,687.62
  5. Step 5: Solve for x
    x = 557,270,782,027,687.62/19,677,396.10
  6. Step 6: Final answer
    x = 28,320,351.90

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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.