Finding the Fourth Proportional to 12,573,816.13, 18,860,899.15 and 3,598,368.13
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Solution
The fourth proportional to 12,573,816.13, 18,860,899.15 and 3,598,368.13 is: 5,397,602.26
Step by Step Solution
- Step 1: Write the proportion equation
12,573,816.13 : 18,860,899.15 = 3,598,368.13 : x - Step 2: Convert to fraction form
12,573,816.13/18,860,899.15 = 3,598,368.13/x - Step 3: Cross multiply
12,573,816.13x = 18,860,899.15 × 3,598,368.13 - Step 4: Simplify right side
12,573,816.13x = 67,868,458,310,199.59 - Step 5: Solve for x
x = 67,868,458,310,199.59/12,573,816.13 - Step 6: Final answer
x = 5,397,602.26
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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.