Home / 13,045,418.17-18,002,893.36-7,165,595.77

Finding the Fourth Proportional to 13,045,418.17, 18,002,893.36 and 7,165,595.77

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Solution

The fourth proportional to 13,045,418.17, 18,002,893.36 and 7,165,595.77 is: 9,888,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045,418.17 : 18,002,893.36 = 7,165,595.77 : x
  2. Step 2: Convert to fraction form
    13,045,418.17/18,002,893.36 = 7,165,595.77/x
  3. Step 3: Cross multiply
    13,045,418.17x = 18,002,893.36 × 7,165,595.77
  4. Step 4: Simplify right side
    13,045,418.17x = 129,001,456,445,255.88
  5. Step 5: Solve for x
    x = 129,001,456,445,255.88/13,045,418.17
  6. Step 6: Final answer
    x = 9,888,640.96

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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.