Home / 8,309,420.67-11,441,616.24-7,529,980.50

Finding the Fourth Proportional to 8,309,420.67, 11,441,616.24 and 7,529,980.50

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Solution

The fourth proportional to 8,309,420.67, 11,441,616.24 and 7,529,980.50 is: 10,368,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,420.67 : 11,441,616.24 = 7,529,980.50 : x
  2. Step 2: Convert to fraction form
    8,309,420.67/11,441,616.24 = 7,529,980.50/x
  3. Step 3: Cross multiply
    8,309,420.67x = 11,441,616.24 × 7,529,980.50
  4. Step 4: Simplify right side
    8,309,420.67x = 86,155,147,175,683.33
  5. Step 5: Solve for x
    x = 86,155,147,175,683.33/8,309,420.67
  6. Step 6: Final answer
    x = 10,368,369.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.