Home / 8,263,020.70-12,394,531.05-7,341,856.30

Finding the Fourth Proportional to 8,263,020.70, 12,394,531.05 and 7,341,856.30

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Solution

The fourth proportional to 8,263,020.70, 12,394,531.05 and 7,341,856.30 is: 11,012,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,020.70 : 12,394,531.05 = 7,341,856.30 : x
  2. Step 2: Convert to fraction form
    8,263,020.70/12,394,531.05 = 7,341,856.30/x
  3. Step 3: Cross multiply
    8,263,020.70x = 12,394,531.05 × 7,341,856.30
  4. Step 4: Simplify right side
    8,263,020.70x = 90,998,865,874,988.12
  5. Step 5: Solve for x
    x = 90,998,865,874,988.12/8,263,020.70
  6. Step 6: Final answer
    x = 11,012,784.45

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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.