Home / 13,998,969.34-19,307,626.03-9,105,753.97

Finding the Fourth Proportional to 13,998,969.34, 19,307,626.03 and 9,105,753.97

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Solution

The fourth proportional to 13,998,969.34, 19,307,626.03 and 9,105,753.97 is: 12,558,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,969.34 : 19,307,626.03 = 9,105,753.97 : x
  2. Step 2: Convert to fraction form
    13,998,969.34/19,307,626.03 = 9,105,753.97/x
  3. Step 3: Cross multiply
    13,998,969.34x = 19,307,626.03 × 9,105,753.97
  4. Step 4: Simplify right side
    13,998,969.34x = 175,810,492,373,947.88
  5. Step 5: Solve for x
    x = 175,810,492,373,947.88/13,998,969.34
  6. Step 6: Final answer
    x = 12,558,816.87

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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.