Home / 9,759,972.06-13,456,788.93-7,919,217.90

Finding the Fourth Proportional to 9,759,972.06, 13,456,788.93 and 7,919,217.90

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Solution

The fourth proportional to 9,759,972.06, 13,456,788.93 and 7,919,217.90 is: 10,918,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759,972.06 : 13,456,788.93 = 7,919,217.90 : x
  2. Step 2: Convert to fraction form
    9,759,972.06/13,456,788.93 = 7,919,217.90/x
  3. Step 3: Cross multiply
    9,759,972.06x = 13,456,788.93 × 7,919,217.90
  4. Step 4: Simplify right side
    9,759,972.06x = 106,567,243,770,977.84
  5. Step 5: Solve for x
    x = 106,567,243,770,977.84/9,759,972.06
  6. Step 6: Final answer
    x = 10,918,806.23

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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.