Finding the Fourth Proportional to 19,432,991.38, 29,129,979.03 and 6,644,750.26
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Solution
The fourth proportional to 19,432,991.38, 29,129,979.03 and 6,644,750.26 is: 9,960,454.98
Step by Step Solution
- Step 1: Write the proportion equation
19,432,991.38 : 29,129,979.03 = 6,644,750.26 : x - Step 2: Convert to fraction form
19,432,991.38/29,129,979.03 = 6,644,750.26/x - Step 3: Cross multiply
19,432,991.38x = 29,129,979.03 × 6,644,750.26 - Step 4: Simplify right side
19,432,991.38x = 193,561,435,733,387.06 - Step 5: Solve for x
x = 193,561,435,733,387.06/19,432,991.38 - Step 6: Final answer
x = 9,960,454.98
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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.