Home / 15,270,523.80-21,073,759-9,310,274.59

Finding the Fourth Proportional to 15,270,523.80, 21,073,759 and 9,310,274.59

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Solution

The fourth proportional to 15,270,523.80, 21,073,759 and 9,310,274.59 is: 12,848,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270,523.80 : 21,073,759 = 9,310,274.59 : x
  2. Step 2: Convert to fraction form
    15,270,523.80/21,073,759 = 9,310,274.59/x
  3. Step 3: Cross multiply
    15,270,523.80x = 21,073,759 × 9,310,274.59
  4. Step 4: Simplify right side
    15,270,523.80x = 196,202,482,933,483.81
  5. Step 5: Solve for x
    x = 196,202,482,933,483.81/15,270,523.80
  6. Step 6: Final answer
    x = 12,848,444.85

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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.