Home / 31,054,120.86-42,852,937.66-17,115,433.50

Finding the Fourth Proportional to 31,054,120.86, 42,852,937.66 and 17,115,433.50

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Solution

The fourth proportional to 31,054,120.86, 42,852,937.66 and 17,115,433.50 is: 23,618,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054,120.86 : 42,852,937.66 = 17,115,433.50 : x
  2. Step 2: Convert to fraction form
    31,054,120.86/42,852,937.66 = 17,115,433.50/x
  3. Step 3: Cross multiply
    31,054,120.86x = 42,852,937.66 × 17,115,433.50
  4. Step 4: Simplify right side
    31,054,120.86x = 733,446,604,799,375.50
  5. Step 5: Solve for x
    x = 733,446,604,799,375.50/31,054,120.86
  6. Step 6: Final answer
    x = 23,618,334.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.