Finding the Fourth Proportional to 21,423,832.33, 32,125,619.49 and 8,299,397.58
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Solution
The fourth proportional to 21,423,832.33, 32,125,619.49 and 8,299,397.58 is: 12,445,172.48
Step by Step Solution
- Step 1: Write the proportion equation
21,423,832.33 : 32,125,619.49 = 8,299,397.58 : x - Step 2: Convert to fraction form
21,423,832.33/32,125,619.49 = 8,299,397.58/x - Step 3: Cross multiply
21,423,832.33x = 32,125,619.49 × 8,299,397.58 - Step 4: Simplify right side
21,423,832.33x = 266,623,288,490,678.72 - Step 5: Solve for x
x = 266,623,288,490,678.72/21,423,832.33 - Step 6: Final answer
x = 12,445,172.48
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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.