Finding the Fourth Proportional to 19,964,747.52, 27,551,369.97 and 10,797,390.27
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Solution
The fourth proportional to 19,964,747.52, 27,551,369.97 and 10,797,390.27 is: 14,900,408.52
Step by Step Solution
- Step 1: Write the proportion equation
19,964,747.52 : 27,551,369.97 = 10,797,390.27 : x - Step 2: Convert to fraction form
19,964,747.52/27,551,369.97 = 10,797,390.27/x - Step 3: Cross multiply
19,964,747.52x = 27,551,369.97 × 10,797,390.27 - Step 4: Simplify right side
19,964,747.52x = 297,482,894,039,248.19 - Step 5: Solve for x
x = 297,482,894,039,248.19/19,964,747.52 - Step 6: Final answer
x = 14,900,408.52
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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.