Home / 25,407,825.20-38,111,662.40-7,212,035.78

Finding the Fourth Proportional to 25,407,825.20, 38,111,662.40 and 7,212,035.78

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Solution

The fourth proportional to 25,407,825.20, 38,111,662.40 and 7,212,035.78 is: 10,818,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407,825.20 : 38,111,662.40 = 7,212,035.78 : x
  2. Step 2: Convert to fraction form
    25,407,825.20/38,111,662.40 = 7,212,035.78/x
  3. Step 3: Cross multiply
    25,407,825.20x = 38,111,662.40 × 7,212,035.78
  4. Step 4: Simplify right side
    25,407,825.20x = 274,862,672,820,948.59
  5. Step 5: Solve for x
    x = 274,862,672,820,948.59/25,407,825.20
  6. Step 6: Final answer
    x = 10,818,032.26

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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.