Home / 12,687,360.30-19,031,040.45-3,102,832.80

Finding the Fourth Proportional to 12,687,360.30, 19,031,040.45 and 3,102,832.80

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Solution

The fourth proportional to 12,687,360.30, 19,031,040.45 and 3,102,832.80 is: 4,654,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,360.30 : 19,031,040.45 = 3,102,832.80 : x
  2. Step 2: Convert to fraction form
    12,687,360.30/19,031,040.45 = 3,102,832.80/x
  3. Step 3: Cross multiply
    12,687,360.30x = 19,031,040.45 × 3,102,832.80
  4. Step 4: Simplify right side
    12,687,360.30x = 59,050,136,526,386.76
  5. Step 5: Solve for x
    x = 59,050,136,526,386.76/12,687,360.30
  6. Step 6: Final answer
    x = 4,654,249.20

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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.