Finding the Fourth Proportional to 19,876,773.62, 29,815,824.73 and 5,498,637.36
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Solution
The fourth proportional to 19,876,773.62, 29,815,824.73 and 5,498,637.36 is: 8,248,139.81
Step by Step Solution
- Step 1: Write the proportion equation
19,876,773.62 : 29,815,824.73 = 5,498,637.36 : x - Step 2: Convert to fraction form
19,876,773.62/29,815,824.73 = 5,498,637.36/x - Step 3: Cross multiply
19,876,773.62x = 29,815,824.73 × 5,498,637.36 - Step 4: Simplify right side
19,876,773.62x = 163,946,407,816,590.28 - Step 5: Solve for x
x = 163,946,407,816,590.28/19,876,773.62 - Step 6: Final answer
x = 8,248,139.81
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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.