Finding the Fourth Proportional to 19,556,827.20, 29,314,245.60 and 7,421,601.60
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Solution
The fourth proportional to 19,556,827.20, 29,314,245.60 and 7,421,601.60 is: 11,124,434.95
Step by Step Solution
- Step 1: Write the proportion equation
19,556,827.20 : 29,314,245.60 = 7,421,601.60 : x - Step 2: Convert to fraction form
19,556,827.20/29,314,245.60 = 7,421,601.60/x - Step 3: Cross multiply
19,556,827.20x = 29,314,245.60 × 7,421,601.60 - Step 4: Simplify right side
19,556,827.20x = 217,558,652,047,752.97 - Step 5: Solve for x
x = 217,558,652,047,752.97/19,556,827.20 - Step 6: Final answer
x = 11,124,434.95
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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.