Finding the Fourth Proportional to 12,305,617.50, 16,982,102.08 and 6,873,459.42
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Solution
The fourth proportional to 12,305,617.50, 16,982,102.08 and 6,873,459.42 is: 9,485,569.46
Step by Step Solution
- Step 1: Write the proportion equation
12,305,617.50 : 16,982,102.08 = 6,873,459.42 : x - Step 2: Convert to fraction form
12,305,617.50/16,982,102.08 = 6,873,459.42/x - Step 3: Cross multiply
12,305,617.50x = 16,982,102.08 × 6,873,459.42 - Step 4: Simplify right side
12,305,617.50x = 116,725,789,513,177.58 - Step 5: Solve for x
x = 116,725,789,513,177.58/12,305,617.50 - Step 6: Final answer
x = 9,485,569.46
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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.