Home / 12,621,145.14-18,931,716.55-3,036,523.68

Finding the Fourth Proportional to 12,621,145.14, 18,931,716.55 and 3,036,523.68

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Solution

The fourth proportional to 12,621,145.14, 18,931,716.55 and 3,036,523.68 is: 4,554,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,145.14 : 18,931,716.55 = 3,036,523.68 : x
  2. Step 2: Convert to fraction form
    12,621,145.14/18,931,716.55 = 3,036,523.68/x
  3. Step 3: Cross multiply
    12,621,145.14x = 18,931,716.55 × 3,036,523.68
  4. Step 4: Simplify right side
    12,621,145.14x = 57,486,605,607,122.91
  5. Step 5: Solve for x
    x = 57,486,605,607,122.91/12,621,145.14
  6. Step 6: Final answer
    x = 4,554,785.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.