Finding the Fourth Proportional to 9,109,055.04, 12,562,354.68 and 7,557,861.09
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Solution
The fourth proportional to 9,109,055.04, 12,562,354.68 and 7,557,861.09 is: 10,423,093.42
Step by Step Solution
- Step 1: Write the proportion equation
9,109,055.04 : 12,562,354.68 = 7,557,861.09 : x - Step 2: Convert to fraction form
9,109,055.04/12,562,354.68 = 7,557,861.09/x - Step 3: Cross multiply
9,109,055.04x = 12,562,354.68 × 7,557,861.09 - Step 4: Simplify right side
9,109,055.04x = 94,944,531,634,751.39 - Step 5: Solve for x
x = 94,944,531,634,751.39/9,109,055.04 - Step 6: Final answer
x = 10,423,093.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.