Finding the Fourth Proportional to 26,253,279.23, 39,379,918.84 and 7,084,005.53
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Solution
The fourth proportional to 26,253,279.23, 39,379,918.84 and 7,084,005.53 is: 10,626,008.29
Step by Step Solution
- Step 1: Write the proportion equation
26,253,279.23 : 39,379,918.84 = 7,084,005.53 : x - Step 2: Convert to fraction form
26,253,279.23/39,379,918.84 = 7,084,005.53/x - Step 3: Cross multiply
26,253,279.23x = 39,379,918.84 × 7,084,005.53 - Step 4: Simplify right side
26,253,279.23x = 278,967,562,618,901.59 - Step 5: Solve for x
x = 278,967,562,618,901.59/26,253,279.23 - Step 6: Final answer
x = 10,626,008.29
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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.