Finding the Fourth Proportional to 9,780,557.80, 14,670,836.70 and 2,592,077.80
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Solution
The fourth proportional to 9,780,557.80, 14,670,836.70 and 2,592,077.80 is: 3,888,116.70
Step by Step Solution
- Step 1: Write the proportion equation
9,780,557.80 : 14,670,836.70 = 2,592,077.80 : x - Step 2: Convert to fraction form
9,780,557.80/14,670,836.70 = 2,592,077.80/x - Step 3: Cross multiply
9,780,557.80x = 14,670,836.70 × 2,592,077.80 - Step 4: Simplify right side
9,780,557.80x = 38,027,950,117,495.26 - Step 5: Solve for x
x = 38,027,950,117,495.26/9,780,557.80 - Step 6: Final answer
x = 3,888,116.70
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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.