Finding the Fourth Proportional to 19,898,515.10, 29,833,027.05 and 13,492,780.70
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Solution
The fourth proportional to 19,898,515.10, 29,833,027.05 and 13,492,780.70 is: 20,229,172.36
Step by Step Solution
- Step 1: Write the proportion equation
19,898,515.10 : 29,833,027.05 = 13,492,780.70 : x - Step 2: Convert to fraction form
19,898,515.10/29,833,027.05 = 13,492,780.70/x - Step 3: Cross multiply
19,898,515.10x = 29,833,027.05 × 13,492,780.70 - Step 4: Simplify right side
19,898,515.10x = 402,530,491,602,817.94 - Step 5: Solve for x
x = 402,530,491,602,817.94/19,898,515.10 - Step 6: Final answer
x = 20,229,172.36
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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.