Finding the Fourth Proportional to 25,704,434.64, 38,532,147.64 and 8,656,334.80
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Solution
The fourth proportional to 25,704,434.64, 38,532,147.64 and 8,656,334.80 is: 12,976,250.02
Step by Step Solution
- Step 1: Write the proportion equation
25,704,434.64 : 38,532,147.64 = 8,656,334.80 : x - Step 2: Convert to fraction form
25,704,434.64/38,532,147.64 = 8,656,334.80/x - Step 3: Cross multiply
25,704,434.64x = 38,532,147.64 × 8,656,334.80 - Step 4: Simplify right side
25,704,434.64x = 333,547,170,534,869.88 - Step 5: Solve for x
x = 333,547,170,534,869.88/25,704,434.64 - Step 6: Final answer
x = 12,976,250.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.