Home / 12,687,635.40-19,031,453.10-3,102,889.20

Finding the Fourth Proportional to 12,687,635.40, 19,031,453.10 and 3,102,889.20

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Solution

The fourth proportional to 12,687,635.40, 19,031,453.10 and 3,102,889.20 is: 4,654,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,635.40 : 19,031,453.10 = 3,102,889.20 : x
  2. Step 2: Convert to fraction form
    12,687,635.40/19,031,453.10 = 3,102,889.20/x
  3. Step 3: Cross multiply
    12,687,635.40x = 19,031,453.10 × 3,102,889.20
  4. Step 4: Simplify right side
    12,687,635.40x = 59,052,490,284,296.53
  5. Step 5: Solve for x
    x = 59,052,490,284,296.53/12,687,635.40
  6. Step 6: Final answer
    x = 4,654,333.80

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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.