Finding the Fourth Proportional to 38,643,279.40, 53,332,770.90 and 24,932,130.76
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Solution
The fourth proportional to 38,643,279.40, 53,332,770.90 and 24,932,130.76 is: 34,409,595.63
Step by Step Solution
- Step 1: Write the proportion equation
38,643,279.40 : 53,332,770.90 = 24,932,130.76 : x - Step 2: Convert to fraction form
38,643,279.40/53,332,770.90 = 24,932,130.76/x - Step 3: Cross multiply
38,643,279.40x = 53,332,770.90 × 24,932,130.76 - Step 4: Simplify right side
38,643,279.40x = 1,329,699,617,871,923 - Step 5: Solve for x
x = 1,329,699,617,871,923/38,643,279.40 - Step 6: Final answer
x = 34,409,595.63
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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.