Home / 13,916,089.80-20,838,705.30-13,278,360.60

Finding the Fourth Proportional to 13,916,089.80, 20,838,705.30 and 13,278,360.60

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Solution

The fourth proportional to 13,916,089.80, 20,838,705.30 and 13,278,360.60 is: 19,883,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916,089.80 : 20,838,705.30 = 13,278,360.60 : x
  2. Step 2: Convert to fraction form
    13,916,089.80/20,838,705.30 = 13,278,360.60/x
  3. Step 3: Cross multiply
    13,916,089.80x = 20,838,705.30 × 13,278,360.60
  4. Step 4: Simplify right side
    13,916,089.80x = 276,703,843,410,531.19
  5. Step 5: Solve for x
    x = 276,703,843,410,531.19/13,916,089.80
  6. Step 6: Final answer
    x = 19,883,735.11

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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.