Home / 7,253,064.72-10,009,174.08-3,989,809.36

Finding the Fourth Proportional to 7,253,064.72, 10,009,174.08 and 3,989,809.36

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Solution

The fourth proportional to 7,253,064.72, 10,009,174.08 and 3,989,809.36 is: 5,505,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,064.72 : 10,009,174.08 = 3,989,809.36 : x
  2. Step 2: Convert to fraction form
    7,253,064.72/10,009,174.08 = 3,989,809.36/x
  3. Step 3: Cross multiply
    7,253,064.72x = 10,009,174.08 × 3,989,809.36
  4. Step 4: Simplify right side
    7,253,064.72x = 39,934,696,430,253.39
  5. Step 5: Solve for x
    x = 39,934,696,430,253.39/7,253,064.72
  6. Step 6: Final answer
    x = 5,505,906.53

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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.