Home / 30,730,192.83-46,128,104.69-13,231,418.43

Finding the Fourth Proportional to 30,730,192.83, 46,128,104.69 and 13,231,418.43

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Solution

The fourth proportional to 30,730,192.83, 46,128,104.69 and 13,231,418.43 is: 19,861,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730,192.83 : 46,128,104.69 = 13,231,418.43 : x
  2. Step 2: Convert to fraction form
    30,730,192.83/46,128,104.69 = 13,231,418.43/x
  3. Step 3: Cross multiply
    30,730,192.83x = 46,128,104.69 × 13,231,418.43
  4. Step 4: Simplify right side
    30,730,192.83x = 610,340,254,470,078.38
  5. Step 5: Solve for x
    x = 610,340,254,470,078.38/30,730,192.83
  6. Step 6: Final answer
    x = 19,861,256.90

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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.