Finding the Fourth Proportional to 8,857,008.30, 13,285,512.45 and 4,815,432.30
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Solution
The fourth proportional to 8,857,008.30, 13,285,512.45 and 4,815,432.30 is: 7,223,148.45
Step by Step Solution
- Step 1: Write the proportion equation
8,857,008.30 : 13,285,512.45 = 4,815,432.30 : x - Step 2: Convert to fraction form
8,857,008.30/13,285,512.45 = 4,815,432.30/x - Step 3: Cross multiply
8,857,008.30x = 13,285,512.45 × 4,815,432.30 - Step 4: Simplify right side
8,857,008.30x = 63,975,485,773,782.13 - Step 5: Solve for x
x = 63,975,485,773,782.13/8,857,008.30 - Step 6: Final answer
x = 7,223,148.45
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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.