Finding the Fourth Proportional to 8,861,373.40, 12,228,900.62 and 4,994,013.84
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Solution
The fourth proportional to 8,861,373.40, 12,228,900.62 and 4,994,013.84 is: 6,891,854.82
Step by Step Solution
- Step 1: Write the proportion equation
8,861,373.40 : 12,228,900.62 = 4,994,013.84 : x - Step 2: Convert to fraction form
8,861,373.40/12,228,900.62 = 4,994,013.84/x - Step 3: Cross multiply
8,861,373.40x = 12,228,900.62 × 4,994,013.84 - Step 4: Simplify right side
8,861,373.40x = 61,071,298,944,264.58 - Step 5: Solve for x
x = 61,071,298,944,264.58/8,861,373.40 - Step 6: Final answer
x = 6,891,854.82
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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.