Home / 25,203,320.48-37,749,675-20,835,872.48

Finding the Fourth Proportional to 25,203,320.48, 37,749,675 and 20,835,872.48

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Solution

The fourth proportional to 25,203,320.48, 37,749,675 and 20,835,872.48 is: 31,208,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203,320.48 : 37,749,675 = 20,835,872.48 : x
  2. Step 2: Convert to fraction form
    25,203,320.48/37,749,675 = 20,835,872.48/x
  3. Step 3: Cross multiply
    25,203,320.48x = 37,749,675 × 20,835,872.48
  4. Step 4: Simplify right side
    25,203,320.48x = 786,547,414,461,444
  5. Step 5: Solve for x
    x = 786,547,414,461,444/25,203,320.48
  6. Step 6: Final answer
    x = 31,208,086.85

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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.