Finding the Fourth Proportional to 11,108,459.80, 16,662,689.70 and 9,691,283.80
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Solution
The fourth proportional to 11,108,459.80, 16,662,689.70 and 9,691,283.80 is: 14,536,925.70
Step by Step Solution
- Step 1: Write the proportion equation
11,108,459.80 : 16,662,689.70 = 9,691,283.80 : x - Step 2: Convert to fraction form
11,108,459.80/16,662,689.70 = 9,691,283.80/x - Step 3: Cross multiply
11,108,459.80x = 16,662,689.70 × 9,691,283.80 - Step 4: Simplify right side
11,108,459.80x = 161,482,854,754,036.88 - Step 5: Solve for x
x = 161,482,854,754,036.88/11,108,459.80 - Step 6: Final answer
x = 14,536,925.70
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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.