Finding the Fourth Proportional to 14,456,770.88, 19,950,931.68 and 8,654,397.44
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Solution
The fourth proportional to 14,456,770.88, 19,950,931.68 and 8,654,397.44 is: 11,943,420.39
Step by Step Solution
- Step 1: Write the proportion equation
14,456,770.88 : 19,950,931.68 = 8,654,397.44 : x - Step 2: Convert to fraction form
14,456,770.88/19,950,931.68 = 8,654,397.44/x - Step 3: Cross multiply
14,456,770.88x = 19,950,931.68 × 8,654,397.44 - Step 4: Simplify right side
14,456,770.88x = 172,663,292,057,006.88 - Step 5: Solve for x
x = 172,663,292,057,006.88/14,456,770.88 - Step 6: Final answer
x = 11,943,420.39
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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.