Finding the Fourth Proportional to 19,938,611.39, 29,908,154.42 and 5,560,804.40
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Solution
The fourth proportional to 19,938,611.39, 29,908,154.42 and 5,560,804.40 is: 8,341,272.79
Step by Step Solution
- Step 1: Write the proportion equation
19,938,611.39 : 29,908,154.42 = 5,560,804.40 : x - Step 2: Convert to fraction form
19,938,611.39/29,908,154.42 = 5,560,804.40/x - Step 3: Cross multiply
19,938,611.39x = 29,908,154.42 × 5,560,804.40 - Step 4: Simplify right side
19,938,611.39x = 166,313,396,517,270.62 - Step 5: Solve for x
x = 166,313,396,517,270.62/19,938,611.39 - Step 6: Final answer
x = 8,341,272.79
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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.