Finding the Fourth Proportional to 12,868,779.24, 19,303,152.55 and 3,284,157.98
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Solution
The fourth proportional to 12,868,779.24, 19,303,152.55 and 3,284,157.98 is: 4,926,232.81
Step by Step Solution
- Step 1: Write the proportion equation
12,868,779.24 : 19,303,152.55 = 3,284,157.98 : x - Step 2: Convert to fraction form
12,868,779.24/19,303,152.55 = 3,284,157.98/x - Step 3: Cross multiply
12,868,779.24x = 19,303,152.55 × 3,284,157.98 - Step 4: Simplify right side
12,868,779.24x = 63,394,602,526,287.33 - Step 5: Solve for x
x = 63,394,602,526,287.33/12,868,779.24 - Step 6: Final answer
x = 4,926,232.81
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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.