Finding the Fourth Proportional to 38,716,137.24, 53,439,551.85 and 25,306,750.45
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Solution
The fourth proportional to 38,716,137.24, 53,439,551.85 and 25,306,750.45 is: 34,930,690.38
Step by Step Solution
- Step 1: Write the proportion equation
38,716,137.24 : 53,439,551.85 = 25,306,750.45 : x - Step 2: Convert to fraction form
38,716,137.24/53,439,551.85 = 25,306,750.45/x - Step 3: Cross multiply
38,716,137.24x = 53,439,551.85 × 25,306,750.45 - Step 4: Simplify right side
38,716,137.24x = 1,352,381,402,827,785.75 - Step 5: Solve for x
x = 1,352,381,402,827,785.75/38,716,137.24 - Step 6: Final answer
x = 34,930,690.38
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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.