Finding the Fourth Proportional to 7,708,873.92, 10,638,107.52 and 4,271,046
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Solution
The fourth proportional to 7,708,873.92, 10,638,107.52 and 4,271,046 is: 5,893,966.75
Step by Step Solution
- Step 1: Write the proportion equation
7,708,873.92 : 10,638,107.52 = 4,271,046 : x - Step 2: Convert to fraction form
7,708,873.92/10,638,107.52 = 4,271,046/x - Step 3: Cross multiply
7,708,873.92x = 10,638,107.52 × 4,271,046 - Step 4: Simplify right side
7,708,873.92x = 45,435,846,570,865.92 - Step 5: Solve for x
x = 45,435,846,570,865.92/7,708,873.92 - Step 6: Final answer
x = 5,893,966.75
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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.