Finding the Fourth Proportional to 8,118,272.79, 12,179,318.22 and 2,361,133.53
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Solution
The fourth proportional to 8,118,272.79, 12,179,318.22 and 2,361,133.53 is: 3,542,255.52
Step by Step Solution
- Step 1: Write the proportion equation
8,118,272.79 : 12,179,318.22 = 2,361,133.53 : x - Step 2: Convert to fraction form
8,118,272.79/12,179,318.22 = 2,361,133.53/x - Step 3: Cross multiply
8,118,272.79x = 12,179,318.22 × 2,361,133.53 - Step 4: Simplify right side
8,118,272.79x = 28,756,996,621,781.91 - Step 5: Solve for x
x = 28,756,996,621,781.91/8,118,272.79 - Step 6: Final answer
x = 3,542,255.52
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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.