Home / 18,755,999.72-25,884,370.43-10,495,990.70

Finding the Fourth Proportional to 18,755,999.72, 25,884,370.43 and 10,495,990.70

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Solution

The fourth proportional to 18,755,999.72, 25,884,370.43 and 10,495,990.70 is: 14,485,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755,999.72 : 25,884,370.43 = 10,495,990.70 : x
  2. Step 2: Convert to fraction form
    18,755,999.72/25,884,370.43 = 10,495,990.70/x
  3. Step 3: Cross multiply
    18,755,999.72x = 25,884,370.43 × 10,495,990.70
  4. Step 4: Simplify right side
    18,755,999.72x = 271,682,111,126,733.22
  5. Step 5: Solve for x
    x = 271,682,111,126,733.22/18,755,999.72
  6. Step 6: Final answer
    x = 14,485,077.59

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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.