Finding the Fourth Proportional to 8,573,512.84, 12,911,591.92 and 7,808,237.80
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Solution
The fourth proportional to 8,573,512.84, 12,911,591.92 and 7,808,237.80 is: 11,759,098.28
Step by Step Solution
- Step 1: Write the proportion equation
8,573,512.84 : 12,911,591.92 = 7,808,237.80 : x - Step 2: Convert to fraction form
8,573,512.84/12,911,591.92 = 7,808,237.80/x - Step 3: Cross multiply
8,573,512.84x = 12,911,591.92 × 7,808,237.80 - Step 4: Simplify right side
8,573,512.84x = 100,816,780,087,918.58 - Step 5: Solve for x
x = 100,816,780,087,918.58/8,573,512.84 - Step 6: Final answer
x = 11,759,098.28
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.