Home / 8,530,306.40-12,770,576.40-8,281,474.40

Finding the Fourth Proportional to 8,530,306.40, 12,770,576.40 and 8,281,474.40

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Solution

The fourth proportional to 8,530,306.40, 12,770,576.40 and 8,281,474.40 is: 12,398,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,306.40 : 12,770,576.40 = 8,281,474.40 : x
  2. Step 2: Convert to fraction form
    8,530,306.40/12,770,576.40 = 8,281,474.40/x
  3. Step 3: Cross multiply
    8,530,306.40x = 12,770,576.40 × 8,281,474.40
  4. Step 4: Simplify right side
    8,530,306.40x = 105,759,201,529,844.17
  5. Step 5: Solve for x
    x = 105,759,201,529,844.17/8,530,306.40
  6. Step 6: Final answer
    x = 12,398,054.25

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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.