Finding the Fourth Proportional to 27,583,976.40, 38,066,753.16 and 15,194,968.08
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Solution
The fourth proportional to 27,583,976.40, 38,066,753.16 and 15,194,968.08 is: 20,969,532.85
Step by Step Solution
- Step 1: Write the proportion equation
27,583,976.40 : 38,066,753.16 = 15,194,968.08 : x - Step 2: Convert to fraction form
27,583,976.40/38,066,753.16 = 15,194,968.08/x - Step 3: Cross multiply
27,583,976.40x = 38,066,753.16 × 15,194,968.08 - Step 4: Simplify right side
27,583,976.40x = 578,423,099,175,439.12 - Step 5: Solve for x
x = 578,423,099,175,439.12/27,583,976.40 - Step 6: Final answer
x = 20,969,532.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.