Finding the Fourth Proportional to 15,766,615.08, 21,757,988.88 and 8,797,586.28
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Solution
The fourth proportional to 15,766,615.08, 21,757,988.88 and 8,797,586.28 is: 12,140,702.58
Step by Step Solution
- Step 1: Write the proportion equation
15,766,615.08 : 21,757,988.88 = 8,797,586.28 : x - Step 2: Convert to fraction form
15,766,615.08/21,757,988.88 = 8,797,586.28/x - Step 3: Cross multiply
15,766,615.08x = 21,757,988.88 × 8,797,586.28 - Step 4: Simplify right side
15,766,615.08x = 191,417,784,451,080.53 - Step 5: Solve for x
x = 191,417,784,451,080.53/15,766,615.08 - Step 6: Final answer
x = 12,140,702.58
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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.