Home / 8,869,576.40-13,304,364.60-7,912,982.60

Finding the Fourth Proportional to 8,869,576.40, 13,304,364.60 and 7,912,982.60

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Solution

The fourth proportional to 8,869,576.40, 13,304,364.60 and 7,912,982.60 is: 11,869,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,576.40 : 13,304,364.60 = 7,912,982.60 : x
  2. Step 2: Convert to fraction form
    8,869,576.40/13,304,364.60 = 7,912,982.60/x
  3. Step 3: Cross multiply
    8,869,576.40x = 13,304,364.60 × 7,912,982.60
  4. Step 4: Simplify right side
    8,869,576.40x = 105,277,205,583,855.95
  5. Step 5: Solve for x
    x = 105,277,205,583,855.95/8,869,576.40
  6. Step 6: Final answer
    x = 11,869,473.90

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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.