Finding the Fourth Proportional to 14,429,428.74, 19,912,933.98 and 8,234,352.11
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Solution
The fourth proportional to 14,429,428.74, 19,912,933.98 and 8,234,352.11 is: 11,363,589.84
Step by Step Solution
- Step 1: Write the proportion equation
14,429,428.74 : 19,912,933.98 = 8,234,352.11 : x - Step 2: Convert to fraction form
14,429,428.74/19,912,933.98 = 8,234,352.11/x - Step 3: Cross multiply
14,429,428.74x = 19,912,933.98 × 8,234,352.11 - Step 4: Simplify right side
14,429,428.74x = 163,970,109,834,939.03 - Step 5: Solve for x
x = 163,970,109,834,939.03/14,429,428.74 - Step 6: Final answer
x = 11,363,589.84
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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.