Home / 13,943,910.90-19,243,064.31-7,749,218.72

Finding the Fourth Proportional to 13,943,910.90, 19,243,064.31 and 7,749,218.72

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Solution

The fourth proportional to 13,943,910.90, 19,243,064.31 and 7,749,218.72 is: 10,694,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,910.90 : 19,243,064.31 = 7,749,218.72 : x
  2. Step 2: Convert to fraction form
    13,943,910.90/19,243,064.31 = 7,749,218.72/x
  3. Step 3: Cross multiply
    13,943,910.90x = 19,243,064.31 × 7,749,218.72
  4. Step 4: Simplify right side
    13,943,910.90x = 149,118,714,229,323.53
  5. Step 5: Solve for x
    x = 149,118,714,229,323.53/13,943,910.90
  6. Step 6: Final answer
    x = 10,694,181.52

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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.