Finding the Fourth Proportional to 19,634,624.70, 29,442,081.69 and 11,439,919.50
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Solution
The fourth proportional to 19,634,624.70, 29,442,081.69 and 11,439,919.50 is: 17,154,137.12
Step by Step Solution
- Step 1: Write the proportion equation
19,634,624.70 : 29,442,081.69 = 11,439,919.50 : x - Step 2: Convert to fraction form
19,634,624.70/29,442,081.69 = 11,439,919.50/x - Step 3: Cross multiply
19,634,624.70x = 29,442,081.69 × 11,439,919.50 - Step 4: Simplify right side
19,634,624.70x = 336,815,044,446,024 - Step 5: Solve for x
x = 336,815,044,446,024/19,634,624.70 - Step 6: Final answer
x = 17,154,137.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.