Home / 31,420,101.96-47,029,341.96-16,810,473.78

Finding the Fourth Proportional to 31,420,101.96, 47,029,341.96 and 16,810,473.78

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Solution

The fourth proportional to 31,420,101.96, 47,029,341.96 and 16,810,473.78 is: 25,161,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,420,101.96 : 47,029,341.96 = 16,810,473.78 : x
  2. Step 2: Convert to fraction form
    31,420,101.96/47,029,341.96 = 16,810,473.78/x
  3. Step 3: Cross multiply
    31,420,101.96x = 47,029,341.96 × 16,810,473.78
  4. Step 4: Simplify right side
    31,420,101.96x = 790,585,519,909,233.88
  5. Step 5: Solve for x
    x = 790,585,519,909,233.88/31,420,101.96
  6. Step 6: Final answer
    x = 25,161,774.49

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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.