Finding the Fourth Proportional to 19,475,125.44, 29,215,346.40 and 8,112,916.32
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Solution
The fourth proportional to 19,475,125.44, 29,215,346.40 and 8,112,916.32 is: 12,170,481.85
Step by Step Solution
- Step 1: Write the proportion equation
19,475,125.44 : 29,215,346.40 = 8,112,916.32 : x - Step 2: Convert to fraction form
19,475,125.44/29,215,346.40 = 8,112,916.32/x - Step 3: Cross multiply
19,475,125.44x = 29,215,346.40 × 8,112,916.32 - Step 4: Simplify right side
19,475,125.44x = 237,021,660,603,013.25 - Step 5: Solve for x
x = 237,021,660,603,013.25/19,475,125.44 - Step 6: Final answer
x = 12,170,481.85
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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.