Home / 12,885,429.30-19,327,698.45-3,300,901.80

Finding the Fourth Proportional to 12,885,429.30, 19,327,698.45 and 3,300,901.80

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Solution

The fourth proportional to 12,885,429.30, 19,327,698.45 and 3,300,901.80 is: 4,951,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,429.30 : 19,327,698.45 = 3,300,901.80 : x
  2. Step 2: Convert to fraction form
    12,885,429.30/19,327,698.45 = 3,300,901.80/x
  3. Step 3: Cross multiply
    12,885,429.30x = 19,327,698.45 × 3,300,901.80
  4. Step 4: Simplify right side
    12,885,429.30x = 63,798,834,603,462.20
  5. Step 5: Solve for x
    x = 63,798,834,603,462.20/12,885,429.30
  6. Step 6: Final answer
    x = 4,951,238.57

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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.