Finding the Fourth Proportional to 19,553,685.20, 29,362,020.60 and 14,766,779.60
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Solution
The fourth proportional to 19,553,685.20, 29,362,020.60 and 14,766,779.60 is: 22,173,952.50
Step by Step Solution
- Step 1: Write the proportion equation
19,553,685.20 : 29,362,020.60 = 14,766,779.60 : x - Step 2: Convert to fraction form
19,553,685.20/29,362,020.60 = 14,766,779.60/x - Step 3: Cross multiply
19,553,685.20x = 29,362,020.60 × 14,766,779.60 - Step 4: Simplify right side
19,553,685.20x = 433,582,486,810,859.75 - Step 5: Solve for x
x = 433,582,486,810,859.75/19,553,685.20 - Step 6: Final answer
x = 22,173,952.50
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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.