Finding the Fourth Proportional to 14,429,424.98, 19,912,928.81 and 8,234,348.36
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Solution
The fourth proportional to 14,429,424.98, 19,912,928.81 and 8,234,348.36 is: 11,363,584.67
Step by Step Solution
- Step 1: Write the proportion equation
14,429,424.98 : 19,912,928.81 = 8,234,348.36 : x - Step 2: Convert to fraction form
14,429,424.98/19,912,928.81 = 8,234,348.36/x - Step 3: Cross multiply
14,429,424.98x = 19,912,928.81 × 8,234,348.36 - Step 4: Simplify right side
14,429,424.98x = 163,969,992,548,683.88 - Step 5: Solve for x
x = 163,969,992,548,683.88/14,429,424.98 - Step 6: Final answer
x = 11,363,584.67
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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.