Home / 38,552,969.19-53,202,787.45-20,911,827.84

Finding the Fourth Proportional to 38,552,969.19, 53,202,787.45 and 20,911,827.84

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Solution

The fourth proportional to 38,552,969.19, 53,202,787.45 and 20,911,827.84 is: 28,858,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,552,969.19 : 53,202,787.45 = 20,911,827.84 : x
  2. Step 2: Convert to fraction form
    38,552,969.19/53,202,787.45 = 20,911,827.84/x
  3. Step 3: Cross multiply
    38,552,969.19x = 53,202,787.45 × 20,911,827.84
  4. Step 4: Simplify right side
    38,552,969.19x = 1,112,567,531,762,512.62
  5. Step 5: Solve for x
    x = 1,112,567,531,762,512.62/38,552,969.19
  6. Step 6: Final answer
    x = 28,858,154.25

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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.