Finding the Fourth Proportional to 21,386,490.18, 32,081,621.15 and 6,033,914.20
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Solution
The fourth proportional to 21,386,490.18, 32,081,621.15 and 6,033,914.20 is: 9,051,403.38
Step by Step Solution
- Step 1: Write the proportion equation
21,386,490.18 : 32,081,621.15 = 6,033,914.20 : x - Step 2: Convert to fraction form
21,386,490.18/32,081,621.15 = 6,033,914.20/x - Step 3: Cross multiply
21,386,490.18x = 32,081,621.15 × 6,033,914.20 - Step 4: Simplify right side
21,386,490.18x = 193,577,749,416,005.31 - Step 5: Solve for x
x = 193,577,749,416,005.31/21,386,490.18 - Step 6: Final answer
x = 9,051,403.38
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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.