Home / 18,392,543.40-25,381,692.72-10,662,067.02

Finding the Fourth Proportional to 18,392,543.40, 25,381,692.72 and 10,662,067.02

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Solution

The fourth proportional to 18,392,543.40, 25,381,692.72 and 10,662,067.02 is: 14,713,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392,543.40 : 25,381,692.72 = 10,662,067.02 : x
  2. Step 2: Convert to fraction form
    18,392,543.40/25,381,692.72 = 10,662,067.02/x
  3. Step 3: Cross multiply
    18,392,543.40x = 25,381,692.72 × 10,662,067.02
  4. Step 4: Simplify right side
    18,392,543.40x = 270,621,308,861,686.06
  5. Step 5: Solve for x
    x = 270,621,308,861,686.06/18,392,543.40
  6. Step 6: Final answer
    x = 14,713,642.53

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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.