Finding the Fourth Proportional to 19,966,324.61, 29,952,799.62 and 7,009,116.50
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Solution
The fourth proportional to 19,966,324.61, 29,952,799.62 and 7,009,116.50 is: 10,514,837.66
Step by Step Solution
- Step 1: Write the proportion equation
19,966,324.61 : 29,952,799.62 = 7,009,116.50 : x - Step 2: Convert to fraction form
19,966,324.61/29,952,799.62 = 7,009,116.50/x - Step 3: Cross multiply
19,966,324.61x = 29,952,799.62 × 7,009,116.50 - Step 4: Simplify right side
19,966,324.61x = 209,942,662,037,735.75 - Step 5: Solve for x
x = 209,942,662,037,735.75/19,966,324.61 - Step 6: Final answer
x = 10,514,837.66
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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.