Finding the Fourth Proportional to 15,104,482.20, 22,656,723.30 and 13,592,827.80
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Solution
The fourth proportional to 15,104,482.20, 22,656,723.30 and 13,592,827.80 is: 20,389,241.70
Step by Step Solution
- Step 1: Write the proportion equation
15,104,482.20 : 22,656,723.30 = 13,592,827.80 : x - Step 2: Convert to fraction form
15,104,482.20/22,656,723.30 = 13,592,827.80/x - Step 3: Cross multiply
15,104,482.20x = 22,656,723.30 × 13,592,827.80 - Step 4: Simplify right side
15,104,482.20x = 307,968,938,329,147.75 - Step 5: Solve for x
x = 307,968,938,329,147.75/15,104,482.20 - Step 6: Final answer
x = 20,389,241.70
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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.