Finding the Fourth Proportional to 38,718,101.70, 58,077,152.55 and 27,128,751.30
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Solution
The fourth proportional to 38,718,101.70, 58,077,152.55 and 27,128,751.30 is: 40,693,126.95
Step by Step Solution
- Step 1: Write the proportion equation
38,718,101.70 : 58,077,152.55 = 27,128,751.30 : x - Step 2: Convert to fraction form
38,718,101.70/58,077,152.55 = 27,128,751.30/x - Step 3: Cross multiply
38,718,101.70x = 58,077,152.55 × 27,128,751.30 - Step 4: Simplify right side
38,718,101.70x = 1,575,560,627,741,110.75 - Step 5: Solve for x
x = 1,575,560,627,741,110.75/38,718,101.70 - Step 6: Final answer
x = 40,693,126.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.