Home / 30,730,181.68-46,128,087.92-13,231,407.22

Finding the Fourth Proportional to 30,730,181.68, 46,128,087.92 and 13,231,407.22

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Solution

The fourth proportional to 30,730,181.68, 46,128,087.92 and 13,231,407.22 is: 19,861,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730,181.68 : 46,128,087.92 = 13,231,407.22 : x
  2. Step 2: Convert to fraction form
    30,730,181.68/46,128,087.92 = 13,231,407.22/x
  3. Step 3: Cross multiply
    30,730,181.68x = 46,128,087.92 × 13,231,407.22
  4. Step 4: Simplify right side
    30,730,181.68x = 610,339,515,652,271.62
  5. Step 5: Solve for x
    x = 610,339,515,652,271.62/30,730,181.68
  6. Step 6: Final answer
    x = 19,861,240.07

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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.