Finding the Fourth Proportional to 11,015,953.74, 15,201,714 and 6,121,050.15
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Solution
The fourth proportional to 11,015,953.74, 15,201,714 and 6,121,050.15 is: 8,446,881.31
Step by Step Solution
- Step 1: Write the proportion equation
11,015,953.74 : 15,201,714 = 6,121,050.15 : x - Step 2: Convert to fraction form
11,015,953.74/15,201,714 = 6,121,050.15/x - Step 3: Cross multiply
11,015,953.74x = 15,201,714 × 6,121,050.15 - Step 4: Simplify right side
11,015,953.74x = 93,050,453,759,957.11 - Step 5: Solve for x
x = 93,050,453,759,957.11/11,015,953.74 - Step 6: Final answer
x = 8,446,881.31
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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.