Finding the Fourth Proportional to 13,868,381.25, 19,138,930.17 and 7,673,327.19
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Solution
The fourth proportional to 13,868,381.25, 19,138,930.17 and 7,673,327.19 is: 10,589,503.61
Step by Step Solution
- Step 1: Write the proportion equation
13,868,381.25 : 19,138,930.17 = 7,673,327.19 : x - Step 2: Convert to fraction form
13,868,381.25/19,138,930.17 = 7,673,327.19/x - Step 3: Cross multiply
13,868,381.25x = 19,138,930.17 × 7,673,327.19 - Step 4: Simplify right side
13,868,381.25x = 146,859,273,260,972.34 - Step 5: Solve for x
x = 146,859,273,260,972.34/13,868,381.25 - Step 6: Final answer
x = 10,589,503.61
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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.