Finding the Fourth Proportional to 18,887,598.70, 28,331,398.05 and 6,117,268.30
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Solution
The fourth proportional to 18,887,598.70, 28,331,398.05 and 6,117,268.30 is: 9,175,902.45
Step by Step Solution
- Step 1: Write the proportion equation
18,887,598.70 : 28,331,398.05 = 6,117,268.30 : x - Step 2: Convert to fraction form
18,887,598.70/28,331,398.05 = 6,117,268.30/x - Step 3: Cross multiply
18,887,598.70x = 28,331,398.05 × 6,117,268.30 - Step 4: Simplify right side
18,887,598.70x = 173,310,763,185,946.81 - Step 5: Solve for x
x = 173,310,763,185,946.81/18,887,598.70 - Step 6: Final answer
x = 9,175,902.45
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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.