Finding the Fourth Proportional to 42,119,607.73, 63,179,412.74 and 11,414,185.97
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Solution
The fourth proportional to 42,119,607.73, 63,179,412.74 and 11,414,185.97 is: 17,121,279.27
Step by Step Solution
- Step 1: Write the proportion equation
42,119,607.73 : 63,179,412.74 = 11,414,185.97 : x - Step 2: Convert to fraction form
42,119,607.73/63,179,412.74 = 11,414,185.97/x - Step 3: Cross multiply
42,119,607.73x = 63,179,412.74 × 11,414,185.97 - Step 4: Simplify right side
42,119,607.73x = 721,141,566,676,231.25 - Step 5: Solve for x
x = 721,141,566,676,231.25/42,119,607.73 - Step 6: Final answer
x = 17,121,279.27
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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.