Finding the Fourth Proportional to 13,259,269.17, 19,851,950.45 and 6,768,381.66
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Solution
The fourth proportional to 13,259,269.17, 19,851,950.45 and 6,768,381.66 is: 10,133,709.15
Step by Step Solution
- Step 1: Write the proportion equation
13,259,269.17 : 19,851,950.45 = 6,768,381.66 : x - Step 2: Convert to fraction form
13,259,269.17/19,851,950.45 = 6,768,381.66/x - Step 3: Cross multiply
13,259,269.17x = 19,851,950.45 × 6,768,381.66 - Step 4: Simplify right side
13,259,269.17x = 134,365,577,341,008.75 - Step 5: Solve for x
x = 134,365,577,341,008.75/13,259,269.17 - Step 6: Final answer
x = 10,133,709.15
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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.