Home / 13,176,001.40-19,764,002.10-12,672,116.60

Finding the Fourth Proportional to 13,176,001.40, 19,764,002.10 and 12,672,116.60

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Solution

The fourth proportional to 13,176,001.40, 19,764,002.10 and 12,672,116.60 is: 19,008,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,001.40 : 19,764,002.10 = 12,672,116.60 : x
  2. Step 2: Convert to fraction form
    13,176,001.40/19,764,002.10 = 12,672,116.60/x
  3. Step 3: Cross multiply
    13,176,001.40x = 19,764,002.10 × 12,672,116.60
  4. Step 4: Simplify right side
    13,176,001.40x = 250,451,739,093,844.88
  5. Step 5: Solve for x
    x = 250,451,739,093,844.88/13,176,001.40
  6. Step 6: Final answer
    x = 19,008,174.90

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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.