Finding the Fourth Proportional to 19,166,753.48, 28,662,805.74 and 14,312,468.84
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Solution
The fourth proportional to 19,166,753.48, 28,662,805.74 and 14,312,468.84 is: 21,403,495.09
Step by Step Solution
- Step 1: Write the proportion equation
19,166,753.48 : 28,662,805.74 = 14,312,468.84 : x - Step 2: Convert to fraction form
19,166,753.48/28,662,805.74 = 14,312,468.84/x - Step 3: Cross multiply
19,166,753.48x = 28,662,805.74 × 14,312,468.84 - Step 4: Simplify right side
19,166,753.48x = 410,235,514,020,723.12 - Step 5: Solve for x
x = 410,235,514,020,723.12/19,166,753.48 - Step 6: Final answer
x = 21,403,495.09
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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.