Home / 8,308,270.60-12,462,405.90-7,188,526.60

Finding the Fourth Proportional to 8,308,270.60, 12,462,405.90 and 7,188,526.60

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Solution

The fourth proportional to 8,308,270.60, 12,462,405.90 and 7,188,526.60 is: 10,782,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,270.60 : 12,462,405.90 = 7,188,526.60 : x
  2. Step 2: Convert to fraction form
    8,308,270.60/12,462,405.90 = 7,188,526.60/x
  3. Step 3: Cross multiply
    8,308,270.60x = 12,462,405.90 × 7,188,526.60
  4. Step 4: Simplify right side
    8,308,270.60x = 89,586,336,312,146.94
  5. Step 5: Solve for x
    x = 89,586,336,312,146.94/8,308,270.60
  6. Step 6: Final answer
    x = 10,782,789.90

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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.