Home / 13,836,105.60-20,726,164.80-9,581,078.40

Finding the Fourth Proportional to 13,836,105.60, 20,726,164.80 and 9,581,078.40

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Solution

The fourth proportional to 13,836,105.60, 20,726,164.80 and 9,581,078.40 is: 14,352,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836,105.60 : 20,726,164.80 = 9,581,078.40 : x
  2. Step 2: Convert to fraction form
    13,836,105.60/20,726,164.80 = 9,581,078.40/x
  3. Step 3: Cross multiply
    13,836,105.60x = 20,726,164.80 × 9,581,078.40
  4. Step 4: Simplify right side
    13,836,105.60x = 198,579,009,880,120.34
  5. Step 5: Solve for x
    x = 198,579,009,880,120.34/13,836,105.60
  6. Step 6: Final answer
    x = 14,352,232.89

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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.