Finding the Fourth Proportional to 9,522,028.14, 13,144,420.18 and 6,428,742
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Solution
The fourth proportional to 9,522,028.14, 13,144,420.18 and 6,428,742 is: 8,874,378.95
Step by Step Solution
- Step 1: Write the proportion equation
9,522,028.14 : 13,144,420.18 = 6,428,742 : x - Step 2: Convert to fraction form
9,522,028.14/13,144,420.18 = 6,428,742/x - Step 3: Cross multiply
9,522,028.14x = 13,144,420.18 × 6,428,742 - Step 4: Simplify right side
9,522,028.14x = 84,502,086,076,813.56 - Step 5: Solve for x
x = 84,502,086,076,813.56/9,522,028.14 - Step 6: Final answer
x = 8,874,378.95
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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.