Home / 12,868,789.18-19,303,167.45-3,284,167.92

Finding the Fourth Proportional to 12,868,789.18, 19,303,167.45 and 3,284,167.92

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Solution

The fourth proportional to 12,868,789.18, 19,303,167.45 and 3,284,167.92 is: 4,926,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,789.18 : 19,303,167.45 = 3,284,167.92 : x
  2. Step 2: Convert to fraction form
    12,868,789.18/19,303,167.45 = 3,284,167.92/x
  3. Step 3: Cross multiply
    12,868,789.18x = 19,303,167.45 × 3,284,167.92
  4. Step 4: Simplify right side
    12,868,789.18x = 63,394,843,293,678.20
  5. Step 5: Solve for x
    x = 63,394,843,293,678.20/12,868,789.18
  6. Step 6: Final answer
    x = 4,926,247.72

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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.