Home / 13,881,910.59-19,156,903.46-7,999,383.60

Finding the Fourth Proportional to 13,881,910.59, 19,156,903.46 and 7,999,383.60

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Solution

The fourth proportional to 13,881,910.59, 19,156,903.46 and 7,999,383.60 is: 11,039,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881,910.59 : 19,156,903.46 = 7,999,383.60 : x
  2. Step 2: Convert to fraction form
    13,881,910.59/19,156,903.46 = 7,999,383.60/x
  3. Step 3: Cross multiply
    13,881,910.59x = 19,156,903.46 × 7,999,383.60
  4. Step 4: Simplify right side
    13,881,910.59x = 153,243,419,364,707.25
  5. Step 5: Solve for x
    x = 153,243,419,364,707.25/13,881,910.59
  6. Step 6: Final answer
    x = 11,039,072.64

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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.