Finding the Fourth Proportional to 13,221,956.94, 19,832,402.19 and 6,744,890.19
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Solution
The fourth proportional to 13,221,956.94, 19,832,402.19 and 6,744,890.19 is: 10,117,063.27
Step by Step Solution
- Step 1: Write the proportion equation
13,221,956.94 : 19,832,402.19 = 6,744,890.19 : x - Step 2: Convert to fraction form
13,221,956.94/19,832,402.19 = 6,744,890.19/x - Step 3: Cross multiply
13,221,956.94x = 19,832,402.19 × 6,744,890.19 - Step 4: Simplify right side
13,221,956.94x = 133,767,374,975,465.53 - Step 5: Solve for x
x = 133,767,374,975,465.53/13,221,956.94 - Step 6: Final answer
x = 10,117,063.27
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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.