Finding the Fourth Proportional to 7,689,972.08, 11,536,104.72 and 2,831,904.92
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Solution
The fourth proportional to 7,689,972.08, 11,536,104.72 and 2,831,904.92 is: 4,248,279.63
Step by Step Solution
- Step 1: Write the proportion equation
7,689,972.08 : 11,536,104.72 = 2,831,904.92 : x - Step 2: Convert to fraction form
7,689,972.08/11,536,104.72 = 2,831,904.92/x - Step 3: Cross multiply
7,689,972.08x = 11,536,104.72 × 2,831,904.92 - Step 4: Simplify right side
7,689,972.08x = 32,669,151,714,203.22 - Step 5: Solve for x
x = 32,669,151,714,203.22/7,689,972.08 - Step 6: Final answer
x = 4,248,279.63
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1.5x scale
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.