Finding the Fourth Proportional to 12,918,732.42, 19,381,888.26 and 3,821,070
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Solution
The fourth proportional to 12,918,732.42, 19,381,888.26 and 3,821,070 is: 5,732,725.89
Step by Step Solution
- Step 1: Write the proportion equation
12,918,732.42 : 19,381,888.26 = 3,821,070 : x - Step 2: Convert to fraction form
12,918,732.42/19,381,888.26 = 3,821,070/x - Step 3: Cross multiply
12,918,732.42x = 19,381,888.26 × 3,821,070 - Step 4: Simplify right side
12,918,732.42x = 74,059,551,773,638.20 - Step 5: Solve for x
x = 74,059,551,773,638.20/12,918,732.42 - Step 6: Final answer
x = 5,732,725.89
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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.