Finding the Fourth Proportional to 21,063,432.76, 31,592,885.58 and 14,283,524.99
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Solution
The fourth proportional to 21,063,432.76, 31,592,885.58 and 14,283,524.99 is: 21,423,752.53
Step by Step Solution
- Step 1: Write the proportion equation
21,063,432.76 : 31,592,885.58 = 14,283,524.99 : x - Step 2: Convert to fraction form
21,063,432.76/31,592,885.58 = 14,283,524.99/x - Step 3: Cross multiply
21,063,432.76x = 31,592,885.58 × 14,283,524.99 - Step 4: Simplify right side
21,063,432.76x = 451,257,770,767,122.81 - Step 5: Solve for x
x = 451,257,770,767,122.81/21,063,432.76 - Step 6: Final answer
x = 21,423,752.53
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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.