Finding the Fourth Proportional to 38,829,321.20, 53,595,121.56 and 22,537,046
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Solution
The fourth proportional to 38,829,321.20, 53,595,121.56 and 22,537,046 is: 31,107,309.70
Step by Step Solution
- Step 1: Write the proportion equation
38,829,321.20 : 53,595,121.56 = 22,537,046 : x - Step 2: Convert to fraction form
38,829,321.20/53,595,121.56 = 22,537,046/x - Step 3: Cross multiply
38,829,321.20x = 53,595,121.56 × 22,537,046 - Step 4: Simplify right side
38,829,321.20x = 1,207,875,719,973,311.75 - Step 5: Solve for x
x = 1,207,875,719,973,311.75/38,829,321.20 - Step 6: Final answer
x = 31,107,309.70
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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.