Home / 29,720,707.18-41,019,059.07-18,124,996.79

Finding the Fourth Proportional to 29,720,707.18, 41,019,059.07 and 18,124,996.79

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Solution

The fourth proportional to 29,720,707.18, 41,019,059.07 and 18,124,996.79 is: 25,015,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,720,707.18 : 41,019,059.07 = 18,124,996.79 : x
  2. Step 2: Convert to fraction form
    29,720,707.18/41,019,059.07 = 18,124,996.79/x
  3. Step 3: Cross multiply
    29,720,707.18x = 41,019,059.07 × 18,124,996.79
  4. Step 4: Simplify right side
    29,720,707.18x = 743,470,314,075,118
  5. Step 5: Solve for x
    x = 743,470,314,075,118/29,720,707.18
  6. Step 6: Final answer
    x = 25,015,229.61

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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.