Finding the Fourth Proportional to 18,018,330.62, 27,032,102.98 and 5,238,835.31
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Solution
The fourth proportional to 18,018,330.62, 27,032,102.98 and 5,238,835.31 is: 7,859,592.47
Step by Step Solution
- Step 1: Write the proportion equation
18,018,330.62 : 27,032,102.98 = 5,238,835.31 : x - Step 2: Convert to fraction form
18,018,330.62/27,032,102.98 = 5,238,835.31/x - Step 3: Cross multiply
18,018,330.62x = 27,032,102.98 × 5,238,835.31 - Step 4: Simplify right side
18,018,330.62x = 141,616,735,649,663.38 - Step 5: Solve for x
x = 141,616,735,649,663.38/18,018,330.62 - Step 6: Final answer
x = 7,859,592.47
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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.