Finding the Fourth Proportional to 19,286,031.84, 28,925,721.09 and 5,453,956.68
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Solution
The fourth proportional to 19,286,031.84, 28,925,721.09 and 5,453,956.68 is: 8,179,994.26
Step by Step Solution
- Step 1: Write the proportion equation
19,286,031.84 : 28,925,721.09 = 5,453,956.68 : x - Step 2: Convert to fraction form
19,286,031.84/28,925,721.09 = 5,453,956.68/x - Step 3: Cross multiply
19,286,031.84x = 28,925,721.09 × 5,453,956.68 - Step 4: Simplify right side
19,286,031.84x = 157,759,629,762,622.38 - Step 5: Solve for x
x = 157,759,629,762,622.38/19,286,031.84 - Step 6: Final answer
x = 8,179,994.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.