Finding the Fourth Proportional to 19,950,689.84, 29,901,772.65 and 14,116,556.44
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Solution
The fourth proportional to 19,950,689.84, 29,901,772.65 and 14,116,556.44 is: 21,157,667.46
Step by Step Solution
- Step 1: Write the proportion equation
19,950,689.84 : 29,901,772.65 = 14,116,556.44 : x - Step 2: Convert to fraction form
19,950,689.84/29,901,772.65 = 14,116,556.44/x - Step 3: Cross multiply
19,950,689.84x = 29,901,772.65 × 14,116,556.44 - Step 4: Simplify right side
19,950,689.84x = 422,110,061,191,890.19 - Step 5: Solve for x
x = 422,110,061,191,890.19/19,950,689.84 - Step 6: Final answer
x = 21,157,667.46
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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.