Finding the Fourth Proportional to 13,970,508.96, 20,959,250.94 and 4,872,737.28
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Solution
The fourth proportional to 13,970,508.96, 20,959,250.94 and 4,872,737.28 is: 7,310,322.32
Step by Step Solution
- Step 1: Write the proportion equation
13,970,508.96 : 20,959,250.94 = 4,872,737.28 : x - Step 2: Convert to fraction form
13,970,508.96/20,959,250.94 = 4,872,737.28/x - Step 3: Cross multiply
13,970,508.96x = 20,959,250.94 × 4,872,737.28 - Step 4: Simplify right side
13,970,508.96x = 102,128,923,416,213.06 - Step 5: Solve for x
x = 102,128,923,416,213.06/13,970,508.96 - Step 6: Final answer
x = 7,310,322.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.