Finding the Fourth Proportional to 17,386,971.60, 26,080,457.40 and 15,261,207.60
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Solution
The fourth proportional to 17,386,971.60, 26,080,457.40 and 15,261,207.60 is: 22,891,811.40
Step by Step Solution
- Step 1: Write the proportion equation
17,386,971.60 : 26,080,457.40 = 15,261,207.60 : x - Step 2: Convert to fraction form
17,386,971.60/26,080,457.40 = 15,261,207.60/x - Step 3: Cross multiply
17,386,971.60x = 26,080,457.40 × 15,261,207.60 - Step 4: Simplify right side
17,386,971.60x = 398,019,274,684,356.19 - Step 5: Solve for x
x = 398,019,274,684,356.19/17,386,971.60 - Step 6: Final answer
x = 22,891,811.40
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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.