Finding the Fourth Proportional to 19,691,342.90, 29,523,017.55 and 7,556,117.30
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Solution
The fourth proportional to 19,691,342.90, 29,523,017.55 and 7,556,117.30 is: 11,328,804.99
Step by Step Solution
- Step 1: Write the proportion equation
19,691,342.90 : 29,523,017.55 = 7,556,117.30 : x - Step 2: Convert to fraction form
19,691,342.90/29,523,017.55 = 7,556,117.30/x - Step 3: Cross multiply
19,691,342.90x = 29,523,017.55 × 7,556,117.30 - Step 4: Simplify right side
19,691,342.90x = 223,079,383,657,758.62 - Step 5: Solve for x
x = 223,079,383,657,758.62/19,691,342.90 - Step 6: Final answer
x = 11,328,804.99
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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.