Finding the Fourth Proportional to 11,395,622.30, 15,725,951.55 and 6,238,982.48
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Solution
The fourth proportional to 11,395,622.30, 15,725,951.55 and 6,238,982.48 is: 8,609,791.86
Step by Step Solution
- Step 1: Write the proportion equation
11,395,622.30 : 15,725,951.55 = 6,238,982.48 : x - Step 2: Convert to fraction form
11,395,622.30/15,725,951.55 = 6,238,982.48/x - Step 3: Cross multiply
11,395,622.30x = 15,725,951.55 × 6,238,982.48 - Step 4: Simplify right side
11,395,622.30x = 98,113,936,123,149.08 - Step 5: Solve for x
x = 98,113,936,123,149.08/11,395,622.30 - Step 6: Final answer
x = 8,609,791.86
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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.