Finding the Fourth Proportional to 14,272,618.08, 19,691,388.72 and 8,156,690.40
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Solution
The fourth proportional to 14,272,618.08, 19,691,388.72 and 8,156,690.40 is: 11,253,475.74
Step by Step Solution
- Step 1: Write the proportion equation
14,272,618.08 : 19,691,388.72 = 8,156,690.40 : x - Step 2: Convert to fraction form
14,272,618.08/19,691,388.72 = 8,156,690.40/x - Step 3: Cross multiply
14,272,618.08x = 19,691,388.72 × 8,156,690.40 - Step 4: Simplify right side
14,272,618.08x = 160,616,561,335,092.28 - Step 5: Solve for x
x = 160,616,561,335,092.28/14,272,618.08 - Step 6: Final answer
x = 11,253,475.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.