Finding the Fourth Proportional to 15,294,276.09, 21,106,657.94 and 8,324,617.02
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Solution
The fourth proportional to 15,294,276.09, 21,106,657.94 and 8,324,617.02 is: 11,488,274.62
Step by Step Solution
- Step 1: Write the proportion equation
15,294,276.09 : 21,106,657.94 = 8,324,617.02 : x - Step 2: Convert to fraction form
15,294,276.09/21,106,657.94 = 8,324,617.02/x - Step 3: Cross multiply
15,294,276.09x = 21,106,657.94 × 8,324,617.02 - Step 4: Simplify right side
15,294,276.09x = 175,704,843,881,019.03 - Step 5: Solve for x
x = 175,704,843,881,019.03/15,294,276.09 - Step 6: Final answer
x = 11,488,274.62
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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.