Finding the Fourth Proportional to 18,853,436, 26,018,856.24 and 14,199,011.84
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Solution
The fourth proportional to 18,853,436, 26,018,856.24 and 14,199,011.84 is: 19,595,475.74
Step by Step Solution
- Step 1: Write the proportion equation
18,853,436 : 26,018,856.24 = 14,199,011.84 : x - Step 2: Convert to fraction form
18,853,436/26,018,856.24 = 14,199,011.84/x - Step 3: Cross multiply
18,853,436x = 26,018,856.24 × 14,199,011.84 - Step 4: Simplify right side
18,853,436x = 369,442,047,815,017.88 - Step 5: Solve for x
x = 369,442,047,815,017.88/18,853,436 - Step 6: Final answer
x = 19,595,475.74
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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.