Finding the Fourth Proportional to 13,881,609.88, 19,176,575.87 and 11,087,063.96
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Solution
The fourth proportional to 13,881,609.88, 19,176,575.87 and 11,087,063.96 is: 15,316,085.46
Step by Step Solution
- Step 1: Write the proportion equation
13,881,609.88 : 19,176,575.87 = 11,087,063.96 : x - Step 2: Convert to fraction form
13,881,609.88/19,176,575.87 = 11,087,063.96/x - Step 3: Cross multiply
13,881,609.88x = 19,176,575.87 × 11,087,063.96 - Step 4: Simplify right side
13,881,609.88x = 212,611,923,264,564.81 - Step 5: Solve for x
x = 212,611,923,264,564.81/13,881,609.88 - Step 6: Final answer
x = 15,316,085.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.