Home / 19,914,921.50-29,897,595.93-12,219,662.30

Finding the Fourth Proportional to 19,914,921.50, 29,897,595.93 and 12,219,662.30

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Solution

The fourth proportional to 19,914,921.50, 29,897,595.93 and 12,219,662.30 is: 18,344,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914,921.50 : 29,897,595.93 = 12,219,662.30 : x
  2. Step 2: Convert to fraction form
    19,914,921.50/29,897,595.93 = 12,219,662.30/x
  3. Step 3: Cross multiply
    19,914,921.50x = 29,897,595.93 × 12,219,662.30
  4. Step 4: Simplify right side
    19,914,921.50x = 365,338,525,846,454.44
  5. Step 5: Solve for x
    x = 365,338,525,846,454.44/19,914,921.50
  6. Step 6: Final answer
    x = 18,344,964.39

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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.