Finding the Fourth Proportional to 14,757,980.82, 22,129,885.35 and 8,366,517.06
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Solution
The fourth proportional to 14,757,980.82, 22,129,885.35 and 8,366,517.06 is: 12,545,758.50
Step by Step Solution
- Step 1: Write the proportion equation
14,757,980.82 : 22,129,885.35 = 8,366,517.06 : x - Step 2: Convert to fraction form
14,757,980.82/22,129,885.35 = 8,366,517.06/x - Step 3: Cross multiply
14,757,980.82x = 22,129,885.35 × 8,366,517.06 - Step 4: Simplify right side
14,757,980.82x = 185,150,063,316,619.06 - Step 5: Solve for x
x = 185,150,063,316,619.06/14,757,980.82 - Step 6: Final answer
x = 12,545,758.50
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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.