Finding the Fourth Proportional to 19,998,585.09, 27,597,962.28 and 11,178,024.67
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Solution
The fourth proportional to 19,998,585.09, 27,597,962.28 and 11,178,024.67 is: 15,425,626.45
Step by Step Solution
- Step 1: Write the proportion equation
19,998,585.09 : 27,597,962.28 = 11,178,024.67 : x - Step 2: Convert to fraction form
19,998,585.09/27,597,962.28 = 11,178,024.67/x - Step 3: Cross multiply
19,998,585.09x = 27,597,962.28 × 11,178,024.67 - Step 4: Simplify right side
19,998,585.09x = 308,490,703,207,569.44 - Step 5: Solve for x
x = 308,490,703,207,569.44/19,998,585.09 - Step 6: Final answer
x = 15,425,626.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.