Finding the Fourth Proportional to 11,262,642,203.22, 15,542,461,631.58 and 6,112,689,753.95
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Solution
The fourth proportional to 11,262,642,203.22, 15,542,461,631.58 and 6,112,689,753.95 is: 8,435,520,213.84
Step by Step Solution
- Step 1: Write the proportion equation
11,262,642,203.22 : 15,542,461,631.58 = 6,112,689,753.95 : x - Step 2: Convert to fraction form
11,262,642,203.22/15,542,461,631.58 = 6,112,689,753.95/x - Step 3: Cross multiply
11,262,642,203.22x = 15,542,461,631.58 × 6,112,689,753.95 - Step 4: Simplify right side
11,262,642,203.22x = 95,006,245,966,520,057,856 - Step 5: Solve for x
x = 95,006,245,966,520,057,856/11,262,642,203.22 - Step 6: Final answer
x = 8,435,520,213.84
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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.