Home / 13,394,328.81-20,086,671.83-4,638,236.30

Finding the Fourth Proportional to 13,394,328.81, 20,086,671.83 and 4,638,236.30

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Solution

The fourth proportional to 13,394,328.81, 20,086,671.83 and 4,638,236.30 is: 6,955,684.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394,328.81 : 20,086,671.83 = 4,638,236.30 : x
  2. Step 2: Convert to fraction form
    13,394,328.81/20,086,671.83 = 4,638,236.30/x
  3. Step 3: Cross multiply
    13,394,328.81x = 20,086,671.83 × 4,638,236.30
  4. Step 4: Simplify right side
    13,394,328.81x = 93,166,730,449,335.03
  5. Step 5: Solve for x
    x = 93,166,730,449,335.03/13,394,328.81
  6. Step 6: Final answer
    x = 6,955,684.89

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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.