Finding the Fourth Proportional to 19,515,975.08, 29,274,028.14 and 4,942,888.88
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Solution
The fourth proportional to 19,515,975.08, 29,274,028.14 and 4,942,888.88 is: 7,414,349.91
Step by Step Solution
- Step 1: Write the proportion equation
19,515,975.08 : 29,274,028.14 = 4,942,888.88 : x - Step 2: Convert to fraction form
19,515,975.08/29,274,028.14 = 4,942,888.88/x - Step 3: Cross multiply
19,515,975.08x = 29,274,028.14 × 4,942,888.88 - Step 4: Simplify right side
19,515,975.08x = 144,698,268,166,013.09 - Step 5: Solve for x
x = 144,698,268,166,013.09/19,515,975.08 - Step 6: Final answer
x = 7,414,349.91
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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.