Finding the Fourth Proportional to 7,518,999.87, 10,375,951.30 and 4,255,744.53
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Solution
The fourth proportional to 7,518,999.87, 10,375,951.30 and 4,255,744.53 is: 5,872,775.47
Step by Step Solution
- Step 1: Write the proportion equation
7,518,999.87 : 10,375,951.30 = 4,255,744.53 : x - Step 2: Convert to fraction form
7,518,999.87/10,375,951.30 = 4,255,744.53/x - Step 3: Cross multiply
7,518,999.87x = 10,375,951.30 × 4,255,744.53 - Step 4: Simplify right side
7,518,999.87x = 44,157,397,988,521.40 - Step 5: Solve for x
x = 44,157,397,988,521.40/7,518,999.87 - Step 6: Final answer
x = 5,872,775.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.