Finding the Fourth Proportional to 6,413,533.61, 8,850,680.16 and 3,512,972.93
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Solution
The fourth proportional to 6,413,533.61, 8,850,680.16 and 3,512,972.93 is: 4,847,904.71
Step by Step Solution
- Step 1: Write the proportion equation
6,413,533.61 : 8,850,680.16 = 3,512,972.93 : x - Step 2: Convert to fraction form
6,413,533.61/8,850,680.16 = 3,512,972.93/x - Step 3: Cross multiply
6,413,533.61x = 8,850,680.16 × 3,512,972.93 - Step 4: Simplify right side
6,413,533.61x = 31,092,199,814,168.07 - Step 5: Solve for x
x = 31,092,199,814,168.07/6,413,533.61 - Step 6: Final answer
x = 4,847,904.71
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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.