Home / 30,672,334.40-45,991,005.60-11,503,716.80

Finding the Fourth Proportional to 30,672,334.40, 45,991,005.60 and 11,503,716.80

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Solution

The fourth proportional to 30,672,334.40, 45,991,005.60 and 11,503,716.80 is: 17,249,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672,334.40 : 45,991,005.60 = 11,503,716.80 : x
  2. Step 2: Convert to fraction form
    30,672,334.40/45,991,005.60 = 11,503,716.80/x
  3. Step 3: Cross multiply
    30,672,334.40x = 45,991,005.60 × 11,503,716.80
  4. Step 4: Simplify right side
    30,672,334.40x = 529,067,503,769,614.12
  5. Step 5: Solve for x
    x = 529,067,503,769,614.12/30,672,334.40
  6. Step 6: Final answer
    x = 17,249,013.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.