Home / 30,401,798.39-45,621,414.87-11,954,497.13

Finding the Fourth Proportional to 30,401,798.39, 45,621,414.87 and 11,954,497.13

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Solution

The fourth proportional to 30,401,798.39, 45,621,414.87 and 11,954,497.13 is: 17,939,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401,798.39 : 45,621,414.87 = 11,954,497.13 : x
  2. Step 2: Convert to fraction form
    30,401,798.39/45,621,414.87 = 11,954,497.13/x
  3. Step 3: Cross multiply
    30,401,798.39x = 45,621,414.87 × 11,954,497.13
  4. Step 4: Simplify right side
    30,401,798.39x = 545,381,072,901,847.19
  5. Step 5: Solve for x
    x = 545,381,072,901,847.19/30,401,798.39
  6. Step 6: Final answer
    x = 17,939,105.64

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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.