Finding the Fourth Proportional to 19,746,614.86, 29,621,221.92 and 5,173,891.18
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Solution
The fourth proportional to 19,746,614.86, 29,621,221.92 and 5,173,891.18 is: 7,761,177.29
Step by Step Solution
- Step 1: Write the proportion equation
19,746,614.86 : 29,621,221.92 = 5,173,891.18 : x - Step 2: Convert to fraction form
19,746,614.86/29,621,221.92 = 5,173,891.18/x - Step 3: Cross multiply
19,746,614.86x = 29,621,221.92 × 5,173,891.18 - Step 4: Simplify right side
19,746,614.86x = 153,256,978,832,710.66 - Step 5: Solve for x
x = 153,256,978,832,710.66/19,746,614.86 - Step 6: Final answer
x = 7,761,177.29
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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.