Finding the Fourth Proportional to 18,013,203.68, 24,858,034.56 and 9,753,123.84
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Solution
The fourth proportional to 18,013,203.68, 24,858,034.56 and 9,753,123.84 is: 13,459,209.91
Step by Step Solution
- Step 1: Write the proportion equation
18,013,203.68 : 24,858,034.56 = 9,753,123.84 : x - Step 2: Convert to fraction form
18,013,203.68/24,858,034.56 = 9,753,123.84/x - Step 3: Cross multiply
18,013,203.68x = 24,858,034.56 × 9,753,123.84 - Step 4: Simplify right side
18,013,203.68x = 242,443,489,482,679.91 - Step 5: Solve for x
x = 242,443,489,482,679.91/18,013,203.68 - Step 6: Final answer
x = 13,459,209.91
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1.5x scale
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.