Home / 18,507,736.68-25,540,412.58-10,247,006.76

Finding the Fourth Proportional to 18,507,736.68, 25,540,412.58 and 10,247,006.76

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Solution

The fourth proportional to 18,507,736.68, 25,540,412.58 and 10,247,006.76 is: 14,140,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507,736.68 : 25,540,412.58 = 10,247,006.76 : x
  2. Step 2: Convert to fraction form
    18,507,736.68/25,540,412.58 = 10,247,006.76/x
  3. Step 3: Cross multiply
    18,507,736.68x = 25,540,412.58 × 10,247,006.76
  4. Step 4: Simplify right side
    18,507,736.68x = 261,712,780,360,449.03
  5. Step 5: Solve for x
    x = 261,712,780,360,449.03/18,507,736.68
  6. Step 6: Final answer
    x = 14,140,723.14

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1.5x scale

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.