Finding the Fourth Proportional to 20,702,987.05, 31,060,241.70 and 9,032,379.67
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Solution
The fourth proportional to 20,702,987.05, 31,060,241.70 and 9,032,379.67 is: 13,551,082.99
Step by Step Solution
- Step 1: Write the proportion equation
20,702,987.05 : 31,060,241.70 = 9,032,379.67 : x - Step 2: Convert to fraction form
20,702,987.05/31,060,241.70 = 9,032,379.67/x - Step 3: Cross multiply
20,702,987.05x = 31,060,241.70 × 9,032,379.67 - Step 4: Simplify right side
20,702,987.05x = 280,547,895,676,366.22 - Step 5: Solve for x
x = 280,547,895,676,366.22/20,702,987.05 - Step 6: Final answer
x = 13,551,082.99
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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.