Finding the Fourth Proportional to 7,791,494.79, 10,753,330.87 and 4,483,721.08
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Solution
The fourth proportional to 7,791,494.79, 10,753,330.87 and 4,483,721.08 is: 6,188,149.72
Step by Step Solution
- Step 1: Write the proportion equation
7,791,494.79 : 10,753,330.87 = 4,483,721.08 : x - Step 2: Convert to fraction form
7,791,494.79/10,753,330.87 = 4,483,721.08/x - Step 3: Cross multiply
7,791,494.79x = 10,753,330.87 × 4,483,721.08 - Step 4: Simplify right side
7,791,494.79x = 48,214,936,321,080.05 - Step 5: Solve for x
x = 48,214,936,321,080.05/7,791,494.79 - Step 6: Final answer
x = 6,188,149.72
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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.