Finding the Fourth Proportional to 11,555,690.08, 15,946,826.52 and 6,660,879.76
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Solution
The fourth proportional to 11,555,690.08, 15,946,826.52 and 6,660,879.76 is: 9,191,999.20
Step by Step Solution
- Step 1: Write the proportion equation
11,555,690.08 : 15,946,826.52 = 6,660,879.76 : x - Step 2: Convert to fraction form
11,555,690.08/15,946,826.52 = 6,660,879.76/x - Step 3: Cross multiply
11,555,690.08x = 15,946,826.52 × 6,660,879.76 - Step 4: Simplify right side
11,555,690.08x = 106,219,894,003,299.23 - Step 5: Solve for x
x = 106,219,894,003,299.23/11,555,690.08 - Step 6: Final answer
x = 9,191,999.20
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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.