Finding the Fourth Proportional to 39,759,987.78, 59,633,338.05 and 11,009,029.68
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Solution
The fourth proportional to 39,759,987.78, 59,633,338.05 and 11,009,029.68 is: 16,511,704.99
Step by Step Solution
- Step 1: Write the proportion equation
39,759,987.78 : 59,633,338.05 = 11,009,029.68 : x - Step 2: Convert to fraction form
39,759,987.78/59,633,338.05 = 11,009,029.68/x - Step 3: Cross multiply
39,759,987.78x = 59,633,338.05 × 11,009,029.68 - Step 4: Simplify right side
39,759,987.78x = 656,505,188,509,923.25 - Step 5: Solve for x
x = 656,505,188,509,923.25/39,759,987.78 - Step 6: Final answer
x = 16,511,704.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.