Home / 13,073,262.72-18,033,734.72-7,844,918.40

Finding the Fourth Proportional to 13,073,262.72, 18,033,734.72 and 7,844,918.40

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Solution

The fourth proportional to 13,073,262.72, 18,033,734.72 and 7,844,918.40 is: 10,821,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073,262.72 : 18,033,734.72 = 7,844,918.40 : x
  2. Step 2: Convert to fraction form
    13,073,262.72/18,033,734.72 = 7,844,918.40/x
  3. Step 3: Cross multiply
    13,073,262.72x = 18,033,734.72 × 7,844,918.40
  4. Step 4: Simplify right side
    13,073,262.72x = 141,473,177,325,646.84
  5. Step 5: Solve for x
    x = 141,473,177,325,646.84/13,073,262.72
  6. Step 6: Final answer
    x = 10,821,566.15

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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.