Finding the Fourth Proportional to 14,497,970.99, 21,755,436.58 and 5,406,349.55
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Solution
The fourth proportional to 14,497,970.99, 21,755,436.58 and 5,406,349.55 is: 8,112,686.59
Step by Step Solution
- Step 1: Write the proportion equation
14,497,970.99 : 21,755,436.58 = 5,406,349.55 : x - Step 2: Convert to fraction form
14,497,970.99/21,755,436.58 = 5,406,349.55/x - Step 3: Cross multiply
14,497,970.99x = 21,755,436.58 × 5,406,349.55 - Step 4: Simplify right side
14,497,970.99x = 117,617,494,764,336.53 - Step 5: Solve for x
x = 117,617,494,764,336.53/14,497,970.99 - Step 6: Final answer
x = 8,112,686.59
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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.