Finding the Fourth Proportional to 7,714,925.32, 11,574,312.21 and 5,444,883.92
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Solution
The fourth proportional to 7,714,925.32, 11,574,312.21 and 5,444,883.92 is: 8,168,683.92
Step by Step Solution
- Step 1: Write the proportion equation
7,714,925.32 : 11,574,312.21 = 5,444,883.92 : x - Step 2: Convert to fraction form
7,714,925.32/11,574,312.21 = 5,444,883.92/x - Step 3: Cross multiply
7,714,925.32x = 11,574,312.21 × 5,444,883.92 - Step 4: Simplify right side
7,714,925.32x = 63,020,786,437,288.66 - Step 5: Solve for x
x = 63,020,786,437,288.66/7,714,925.32 - Step 6: Final answer
x = 8,168,683.92
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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.