Home / 30,302,270.82-45,453,576.15-10,107,457.38

Finding the Fourth Proportional to 30,302,270.82, 45,453,576.15 and 10,107,457.38

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Solution

The fourth proportional to 30,302,270.82, 45,453,576.15 and 10,107,457.38 is: 15,161,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302,270.82 : 45,453,576.15 = 10,107,457.38 : x
  2. Step 2: Convert to fraction form
    30,302,270.82/45,453,576.15 = 10,107,457.38/x
  3. Step 3: Cross multiply
    30,302,270.82x = 45,453,576.15 × 10,107,457.38
  4. Step 4: Simplify right side
    30,302,270.82x = 459,420,083,704,709.50
  5. Step 5: Solve for x
    x = 459,420,083,704,709.50/30,302,270.82
  6. Step 6: Final answer
    x = 15,161,242.75

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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.