Finding the Fourth Proportional to 22,556,977.12, 31,127,823.01 and 12,767,211.12
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Solution
The fourth proportional to 22,556,977.12, 31,127,823.01 and 12,767,211.12 is: 17,618,295.48
Step by Step Solution
- Step 1: Write the proportion equation
22,556,977.12 : 31,127,823.01 = 12,767,211.12 : x - Step 2: Convert to fraction form
22,556,977.12/31,127,823.01 = 12,767,211.12/x - Step 3: Cross multiply
22,556,977.12x = 31,127,823.01 × 12,767,211.12 - Step 4: Simplify right side
22,556,977.12x = 397,415,488,074,663.88 - Step 5: Solve for x
x = 397,415,488,074,663.88/22,556,977.12 - Step 6: Final answer
x = 17,618,295.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.