Home / 7,231,799.15-9,980,004.08-3,968,917.48

Finding the Fourth Proportional to 7,231,799.15, 9,980,004.08 and 3,968,917.48

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Solution

The fourth proportional to 7,231,799.15, 9,980,004.08 and 3,968,917.48 is: 5,477,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,799.15 : 9,980,004.08 = 3,968,917.48 : x
  2. Step 2: Convert to fraction form
    7,231,799.15/9,980,004.08 = 3,968,917.48/x
  3. Step 3: Cross multiply
    7,231,799.15x = 9,980,004.08 × 3,968,917.48
  4. Step 4: Simplify right side
    7,231,799.15x = 39,609,812,643,655.45
  5. Step 5: Solve for x
    x = 39,609,812,643,655.45/7,231,799.15
  6. Step 6: Final answer
    x = 5,477,172.67

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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.