Finding the Fourth Proportional to 19,854,382.23, 29,582,018.64 and 18,739,269.50
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Solution
The fourth proportional to 19,854,382.23, 29,582,018.64 and 18,739,269.50 is: 27,920,557.44
Step by Step Solution
- Step 1: Write the proportion equation
19,854,382.23 : 29,582,018.64 = 18,739,269.50 : x - Step 2: Convert to fraction form
19,854,382.23/29,582,018.64 = 18,739,269.50/x - Step 3: Cross multiply
19,854,382.23x = 29,582,018.64 × 18,739,269.50 - Step 4: Simplify right side
19,854,382.23x = 554,345,419,501,073.44 - Step 5: Solve for x
x = 554,345,419,501,073.44/19,854,382.23 - Step 6: Final answer
x = 27,920,557.44
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.