Finding the Fourth Proportional to 19,471,805.73, 29,158,269.15 and 11,685,819.02
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Solution
The fourth proportional to 19,471,805.73, 29,158,269.15 and 11,685,819.02 is: 17,499,057.91
Step by Step Solution
- Step 1: Write the proportion equation
19,471,805.73 : 29,158,269.15 = 11,685,819.02 : x - Step 2: Convert to fraction form
19,471,805.73/29,158,269.15 = 11,685,819.02/x - Step 3: Cross multiply
19,471,805.73x = 29,158,269.15 × 11,685,819.02 - Step 4: Simplify right side
19,471,805.73x = 340,738,256,033,736.06 - Step 5: Solve for x
x = 340,738,256,033,736.06/19,471,805.73 - Step 6: Final answer
x = 17,499,057.91
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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.