Finding the Fourth Proportional to 25,342,596.99, 38,017,690.14 and 9,172,331.66
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Solution
The fourth proportional to 25,342,596.99, 38,017,690.14 and 9,172,331.66 is: 13,759,870.90
Step by Step Solution
- Step 1: Write the proportion equation
25,342,596.99 : 38,017,690.14 = 9,172,331.66 : x - Step 2: Convert to fraction form
25,342,596.99/38,017,690.14 = 9,172,331.66/x - Step 3: Cross multiply
25,342,596.99x = 38,017,690.14 × 9,172,331.66 - Step 4: Simplify right side
25,342,596.99x = 348,710,862,826,782.75 - Step 5: Solve for x
x = 348,710,862,826,782.75/25,342,596.99 - Step 6: Final answer
x = 13,759,870.90
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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.