Finding the Fourth Proportional to 17,680,876.28, 24,385,052.58 and 10,430,533.88
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Solution
The fourth proportional to 17,680,876.28, 24,385,052.58 and 10,430,533.88 is: 14,385,549.28
Step by Step Solution
- Step 1: Write the proportion equation
17,680,876.28 : 24,385,052.58 = 10,430,533.88 : x - Step 2: Convert to fraction form
17,680,876.28/24,385,052.58 = 10,430,533.88/x - Step 3: Cross multiply
17,680,876.28x = 24,385,052.58 × 10,430,533.88 - Step 4: Simplify right side
17,680,876.28x = 254,349,116,979,346.12 - Step 5: Solve for x
x = 254,349,116,979,346.12/17,680,876.28 - Step 6: Final answer
x = 14,385,549.28
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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.