Home / 12,675,864.12-19,013,766.61-8,326,457.87

Finding the Fourth Proportional to 12,675,864.12, 19,013,766.61 and 8,326,457.87

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Solution

The fourth proportional to 12,675,864.12, 19,013,766.61 and 8,326,457.87 is: 12,489,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675,864.12 : 19,013,766.61 = 8,326,457.87 : x
  2. Step 2: Convert to fraction form
    12,675,864.12/19,013,766.61 = 8,326,457.87/x
  3. Step 3: Cross multiply
    12,675,864.12x = 19,013,766.61 × 8,326,457.87
  4. Step 4: Simplify right side
    12,675,864.12x = 158,317,326,650,469.41
  5. Step 5: Solve for x
    x = 158,317,326,650,469.41/12,675,864.12
  6. Step 6: Final answer
    x = 12,489,667.39

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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.