Home / 13,818,919.82-19,069,977.69-7,624,016.33

Finding the Fourth Proportional to 13,818,919.82, 19,069,977.69 and 7,624,016.33

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Solution

The fourth proportional to 13,818,919.82, 19,069,977.69 and 7,624,016.33 is: 10,521,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,919.82 : 19,069,977.69 = 7,624,016.33 : x
  2. Step 2: Convert to fraction form
    13,818,919.82/19,069,977.69 = 7,624,016.33/x
  3. Step 3: Cross multiply
    13,818,919.82x = 19,069,977.69 × 7,624,016.33
  4. Step 4: Simplify right side
    13,818,919.82x = 145,389,821,225,945.81
  5. Step 5: Solve for x
    x = 145,389,821,225,945.81/13,818,919.82
  6. Step 6: Final answer
    x = 10,521,069.89

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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.