Finding the Fourth Proportional to 19,703,745.84, 27,191,006.94 and 10,762,863.45
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Solution
The fourth proportional to 19,703,745.84, 27,191,006.94 and 10,762,863.45 is: 14,852,662.90
Step by Step Solution
- Step 1: Write the proportion equation
19,703,745.84 : 27,191,006.94 = 10,762,863.45 : x - Step 2: Convert to fraction form
19,703,745.84/27,191,006.94 = 10,762,863.45/x - Step 3: Cross multiply
19,703,745.84x = 27,191,006.94 × 10,762,863.45 - Step 4: Simplify right side
19,703,745.84x = 292,653,094,763,222.31 - Step 5: Solve for x
x = 292,653,094,763,222.31/19,703,745.84 - Step 6: Final answer
x = 14,852,662.90
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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.