Home / 38,947,528.32-53,743,451.52-21,541,107.84

Finding the Fourth Proportional to 38,947,528.32, 53,743,451.52 and 21,541,107.84

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Solution

The fourth proportional to 38,947,528.32, 53,743,451.52 and 21,541,107.84 is: 29,724,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947,528.32 : 53,743,451.52 = 21,541,107.84 : x
  2. Step 2: Convert to fraction form
    38,947,528.32/53,743,451.52 = 21,541,107.84/x
  3. Step 3: Cross multiply
    38,947,528.32x = 53,743,451.52 × 21,541,107.84
  4. Step 4: Simplify right side
    38,947,528.32x = 1,157,693,484,886,132
  5. Step 5: Solve for x
    x = 1,157,693,484,886,132/38,947,528.32
  6. Step 6: Final answer
    x = 29,724,440.42

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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.