Finding the Fourth Proportional to 8,221,984.90, 12,334,679.34 and 2,464,485.97
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Solution
The fourth proportional to 8,221,984.90, 12,334,679.34 and 2,464,485.97 is: 3,697,239.12
Step by Step Solution
- Step 1: Write the proportion equation
8,221,984.90 : 12,334,679.34 = 2,464,485.97 : x - Step 2: Convert to fraction form
8,221,984.90/12,334,679.34 = 2,464,485.97/x - Step 3: Cross multiply
8,221,984.90x = 12,334,679.34 × 2,464,485.97 - Step 4: Simplify right side
8,221,984.90x = 30,398,644,177,878.86 - Step 5: Solve for x
x = 30,398,644,177,878.86/8,221,984.90 - Step 6: Final answer
x = 3,697,239.12
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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.