Finding the Fourth Proportional to 19,979,753.44, 29,966,248.32 and 5,599,511.68
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Solution
The fourth proportional to 19,979,753.44, 29,966,248.32 and 5,599,511.68 is: 8,398,319.73
Step by Step Solution
- Step 1: Write the proportion equation
19,979,753.44 : 29,966,248.32 = 5,599,511.68 : x - Step 2: Convert to fraction form
19,979,753.44/29,966,248.32 = 5,599,511.68/x - Step 3: Cross multiply
19,979,753.44x = 29,966,248.32 × 5,599,511.68 - Step 4: Simplify right side
19,979,753.44x = 167,796,357,473,620.38 - Step 5: Solve for x
x = 167,796,357,473,620.38/19,979,753.44 - Step 6: Final answer
x = 8,398,319.73
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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.