Finding the Fourth Proportional to 18,148,974.40, 27,215,588.40 and 6,013,748.80
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Solution
The fourth proportional to 18,148,974.40, 27,215,588.40 and 6,013,748.80 is: 9,018,014.38
Step by Step Solution
- Step 1: Write the proportion equation
18,148,974.40 : 27,215,588.40 = 6,013,748.80 : x - Step 2: Convert to fraction form
18,148,974.40/27,215,588.40 = 6,013,748.80/x - Step 3: Cross multiply
18,148,974.40x = 27,215,588.40 × 6,013,748.80 - Step 4: Simplify right side
18,148,974.40x = 163,667,712,081,793.91 - Step 5: Solve for x
x = 163,667,712,081,793.91/18,148,974.40 - Step 6: Final answer
x = 9,018,014.38
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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.