Home / 38,981,682.84-53,794,069.32-21,577,653.48

Finding the Fourth Proportional to 38,981,682.84, 53,794,069.32 and 21,577,653.48

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Solution

The fourth proportional to 38,981,682.84, 53,794,069.32 and 21,577,653.48 is: 29,776,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981,682.84 : 53,794,069.32 = 21,577,653.48 : x
  2. Step 2: Convert to fraction form
    38,981,682.84/53,794,069.32 = 21,577,653.48/x
  3. Step 3: Cross multiply
    38,981,682.84x = 53,794,069.32 × 21,577,653.48
  4. Step 4: Simplify right side
    38,981,682.84x = 1,160,749,787,066,059.25
  5. Step 5: Solve for x
    x = 1,160,749,787,066,059.25/38,981,682.84
  6. Step 6: Final answer
    x = 29,776,800.35

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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.