Finding the Fourth Proportional to 8,372,108.16, 12,536,237.16 and 5,484,390.12
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Solution
The fourth proportional to 8,372,108.16, 12,536,237.16 and 5,484,390.12 is: 8,212,222.53
Step by Step Solution
- Step 1: Write the proportion equation
8,372,108.16 : 12,536,237.16 = 5,484,390.12 : x - Step 2: Convert to fraction form
8,372,108.16/12,536,237.16 = 5,484,390.12/x - Step 3: Cross multiply
8,372,108.16x = 12,536,237.16 × 5,484,390.12 - Step 4: Simplify right side
8,372,108.16x = 68,753,615,222,280.86 - Step 5: Solve for x
x = 68,753,615,222,280.86/8,372,108.16 - Step 6: Final answer
x = 8,212,222.53
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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.