Finding the Fourth Proportional to 21,474,616.64, 32,207,766.91 and 8,344,011.51
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Solution
The fourth proportional to 21,474,616.64, 32,207,766.91 and 8,344,011.51 is: 12,514,401.65
Step by Step Solution
- Step 1: Write the proportion equation
21,474,616.64 : 32,207,766.91 = 8,344,011.51 : x - Step 2: Convert to fraction form
21,474,616.64/32,207,766.91 = 8,344,011.51/x - Step 3: Cross multiply
21,474,616.64x = 32,207,766.91 × 8,344,011.51 - Step 4: Simplify right side
21,474,616.64x = 268,741,977,787,577.09 - Step 5: Solve for x
x = 268,741,977,787,577.09/21,474,616.64 - Step 6: Final answer
x = 12,514,401.65
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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.