Finding the Fourth Proportional to 7,848,230.40, 11,779,862.40 and 4,064,428.80
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Solution
The fourth proportional to 7,848,230.40, 11,779,862.40 and 4,064,428.80 is: 6,100,535.99
Step by Step Solution
- Step 1: Write the proportion equation
7,848,230.40 : 11,779,862.40 = 4,064,428.80 : x - Step 2: Convert to fraction form
7,848,230.40/11,779,862.40 = 4,064,428.80/x - Step 3: Cross multiply
7,848,230.40x = 11,779,862.40 × 4,064,428.80 - Step 4: Simplify right side
7,848,230.40x = 47,878,411,998,597.12 - Step 5: Solve for x
x = 47,878,411,998,597.12/7,848,230.40 - Step 6: Final answer
x = 6,100,535.99
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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.