Finding the Fourth Proportional to 14,907,359.20, 20,571,679.20 and 8,381,264.80
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Solution
The fourth proportional to 14,907,359.20, 20,571,679.20 and 8,381,264.80 is: 11,565,877.53
Step by Step Solution
- Step 1: Write the proportion equation
14,907,359.20 : 20,571,679.20 = 8,381,264.80 : x - Step 2: Convert to fraction form
14,907,359.20/20,571,679.20 = 8,381,264.80/x - Step 3: Cross multiply
14,907,359.20x = 20,571,679.20 × 8,381,264.80 - Step 4: Simplify right side
14,907,359.20x = 172,416,690,755,852.16 - Step 5: Solve for x
x = 172,416,690,755,852.16/14,907,359.20 - Step 6: Final answer
x = 11,565,877.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.