Home / 10,290,370.43-14,200,731.49-5,644,193.28

Finding the Fourth Proportional to 10,290,370.43, 14,200,731.49 and 5,644,193.28

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Solution

The fourth proportional to 10,290,370.43, 14,200,731.49 and 5,644,193.28 is: 7,788,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290,370.43 : 14,200,731.49 = 5,644,193.28 : x
  2. Step 2: Convert to fraction form
    10,290,370.43/14,200,731.49 = 5,644,193.28/x
  3. Step 3: Cross multiply
    10,290,370.43x = 14,200,731.49 × 5,644,193.28
  4. Step 4: Simplify right side
    10,290,370.43x = 80,151,673,301,393.88
  5. Step 5: Solve for x
    x = 80,151,673,301,393.88/10,290,370.43
  6. Step 6: Final answer
    x = 7,788,997.86

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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.