Home / 15,036,907.36-20,750,377.12-8,161,241.80

Finding the Fourth Proportional to 15,036,907.36, 20,750,377.12 and 8,161,241.80

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Solution

The fourth proportional to 15,036,907.36, 20,750,377.12 and 8,161,241.80 is: 11,262,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,907.36 : 20,750,377.12 = 8,161,241.80 : x
  2. Step 2: Convert to fraction form
    15,036,907.36/20,750,377.12 = 8,161,241.80/x
  3. Step 3: Cross multiply
    15,036,907.36x = 20,750,377.12 × 8,161,241.80
  4. Step 4: Simplify right side
    15,036,907.36x = 169,348,845,117,507.62
  5. Step 5: Solve for x
    x = 169,348,845,117,507.62/15,036,907.36
  6. Step 6: Final answer
    x = 11,262,212.44

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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.