Home / 12,747,009.40-17,590,645.38-6,945,841.24

Finding the Fourth Proportional to 12,747,009.40, 17,590,645.38 and 6,945,841.24

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Solution

The fourth proportional to 12,747,009.40, 17,590,645.38 and 6,945,841.24 is: 9,585,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,009.40 : 17,590,645.38 = 6,945,841.24 : x
  2. Step 2: Convert to fraction form
    12,747,009.40/17,590,645.38 = 6,945,841.24/x
  3. Step 3: Cross multiply
    12,747,009.40x = 17,590,645.38 × 6,945,841.24
  4. Step 4: Simplify right side
    12,747,009.40x = 122,181,830,118,619.47
  5. Step 5: Solve for x
    x = 122,181,830,118,619.47/12,747,009.40
  6. Step 6: Final answer
    x = 9,585,136.90

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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.