Finding the Fourth Proportional to 19,395,886, 29,093,974.85 and 8,610,287.26
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Solution
The fourth proportional to 19,395,886, 29,093,974.85 and 8,610,287.26 is: 12,915,495.64
Step by Step Solution
- Step 1: Write the proportion equation
19,395,886 : 29,093,974.85 = 8,610,287.26 : x - Step 2: Convert to fraction form
19,395,886/29,093,974.85 = 8,610,287.26/x - Step 3: Cross multiply
19,395,886x = 29,093,974.85 × 8,610,287.26 - Step 4: Simplify right side
19,395,886x = 250,507,480,993,715.41 - Step 5: Solve for x
x = 250,507,480,993,715.41/19,395,886 - Step 6: Final answer
x = 12,915,495.64
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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.