Finding the Fourth Proportional to 19,748,039.74, 29,611,408.70 and 8,959,454.12
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Solution
The fourth proportional to 19,748,039.74, 29,611,408.70 and 8,959,454.12 is: 13,434,348.99
Step by Step Solution
- Step 1: Write the proportion equation
19,748,039.74 : 29,611,408.70 = 8,959,454.12 : x - Step 2: Convert to fraction form
19,748,039.74/29,611,408.70 = 8,959,454.12/x - Step 3: Cross multiply
19,748,039.74x = 29,611,408.70 × 8,959,454.12 - Step 4: Simplify right side
19,748,039.74x = 265,302,057,676,218.81 - Step 5: Solve for x
x = 265,302,057,676,218.81/19,748,039.74 - Step 6: Final answer
x = 13,434,348.99
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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.