Finding the Fourth Proportional to 8,858,747.07, 13,287,070.85 and 2,875,115.07
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Solution
The fourth proportional to 8,858,747.07, 13,287,070.85 and 2,875,115.07 is: 4,312,331.90
Step by Step Solution
- Step 1: Write the proportion equation
8,858,747.07 : 13,287,070.85 = 2,875,115.07 : x - Step 2: Convert to fraction form
8,858,747.07/13,287,070.85 = 2,875,115.07/x - Step 3: Cross multiply
8,858,747.07x = 13,287,070.85 × 2,875,115.07 - Step 4: Simplify right side
8,858,747.07x = 38,201,857,622,617.13 - Step 5: Solve for x
x = 38,201,857,622,617.13/8,858,747.07 - Step 6: Final answer
x = 4,312,331.90
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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.