Finding the Fourth Proportional to 14,921,736.96, 22,382,603.40 and 4,139,038.28
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Solution
The fourth proportional to 14,921,736.96, 22,382,603.40 and 4,139,038.28 is: 6,208,556.85
Step by Step Solution
- Step 1: Write the proportion equation
14,921,736.96 : 22,382,603.40 = 4,139,038.28 : x - Step 2: Convert to fraction form
14,921,736.96/22,382,603.40 = 4,139,038.28/x - Step 3: Cross multiply
14,921,736.96x = 22,382,603.40 × 4,139,038.28 - Step 4: Simplify right side
14,921,736.96x = 92,642,452,278,658.14 - Step 5: Solve for x
x = 92,642,452,278,658.14/14,921,736.96 - Step 6: Final answer
x = 6,208,556.85
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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.