Finding the Fourth Proportional to 8,224,660.18, 12,338,134.57 and 3,431,246.88
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Solution
The fourth proportional to 8,224,660.18, 12,338,134.57 and 3,431,246.88 is: 5,147,347.71
Step by Step Solution
- Step 1: Write the proportion equation
8,224,660.18 : 12,338,134.57 = 3,431,246.88 : x - Step 2: Convert to fraction form
8,224,660.18/12,338,134.57 = 3,431,246.88/x - Step 3: Cross multiply
8,224,660.18x = 12,338,134.57 × 3,431,246.88 - Step 4: Simplify right side
8,224,660.18x = 42,335,185,748,332.64 - Step 5: Solve for x
x = 42,335,185,748,332.64/8,224,660.18 - Step 6: Final answer
x = 5,147,347.71
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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.