Finding the Fourth Proportional to 10,691,422.84, 16,038,735.11 and 3,869,592.14
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Solution
The fourth proportional to 10,691,422.84, 16,038,735.11 and 3,869,592.14 is: 5,804,967.62
Step by Step Solution
- Step 1: Write the proportion equation
10,691,422.84 : 16,038,735.11 = 3,869,592.14 : x - Step 2: Convert to fraction form
10,691,422.84/16,038,735.11 = 3,869,592.14/x - Step 3: Cross multiply
10,691,422.84x = 16,038,735.11 × 3,869,592.14 - Step 4: Simplify right side
10,691,422.84x = 62,063,363,368,779.82 - Step 5: Solve for x
x = 62,063,363,368,779.82/10,691,422.84 - Step 6: Final answer
x = 5,804,967.62
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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.