Finding the Fourth Proportional to 7,042,623.12, 10,559,968.92 and 2,249,185.68
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Solution
The fourth proportional to 7,042,623.12, 10,559,968.92 and 2,249,185.68 is: 3,372,511.98
Step by Step Solution
- Step 1: Write the proportion equation
7,042,623.12 : 10,559,968.92 = 2,249,185.68 : x - Step 2: Convert to fraction form
7,042,623.12/10,559,968.92 = 2,249,185.68/x - Step 3: Cross multiply
7,042,623.12x = 10,559,968.92 × 2,249,185.68 - Step 4: Simplify right side
7,042,623.12x = 23,751,330,876,109.07 - Step 5: Solve for x
x = 23,751,330,876,109.07/7,042,623.12 - Step 6: Final answer
x = 3,372,511.98
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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.