Finding the Fourth Proportional to 19,474,514.18, 26,872,488.20 and 11,217,261.94
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Solution
The fourth proportional to 19,474,514.18, 26,872,488.20 and 11,217,261.94 is: 15,478,472.86
Step by Step Solution
- Step 1: Write the proportion equation
19,474,514.18 : 26,872,488.20 = 11,217,261.94 : x - Step 2: Convert to fraction form
19,474,514.18/26,872,488.20 = 11,217,261.94/x - Step 3: Cross multiply
19,474,514.18x = 26,872,488.20 × 11,217,261.94 - Step 4: Simplify right side
19,474,514.18x = 301,435,739,130,098.94 - Step 5: Solve for x
x = 301,435,739,130,098.94/19,474,514.18 - Step 6: Final answer
x = 15,478,472.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.