Home / 19,821,995.70-29,732,993.55-12,263,723.70

Finding the Fourth Proportional to 19,821,995.70, 29,732,993.55 and 12,263,723.70

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Solution

The fourth proportional to 19,821,995.70, 29,732,993.55 and 12,263,723.70 is: 18,395,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821,995.70 : 29,732,993.55 = 12,263,723.70 : x
  2. Step 2: Convert to fraction form
    19,821,995.70/29,732,993.55 = 12,263,723.70/x
  3. Step 3: Cross multiply
    19,821,995.70x = 29,732,993.55 × 12,263,723.70
  4. Step 4: Simplify right side
    19,821,995.70x = 364,637,217,671,082.12
  5. Step 5: Solve for x
    x = 364,637,217,671,082.12/19,821,995.70
  6. Step 6: Final answer
    x = 18,395,585.55

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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.