Finding the Fourth Proportional to 13,452,448.99, 18,559,528.28 and 10,355,920.51
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Solution
The fourth proportional to 13,452,448.99, 18,559,528.28 and 10,355,920.51 is: 14,287,435.67
Step by Step Solution
- Step 1: Write the proportion equation
13,452,448.99 : 18,559,528.28 = 10,355,920.51 : x - Step 2: Convert to fraction form
13,452,448.99/18,559,528.28 = 10,355,920.51/x - Step 3: Cross multiply
13,452,448.99x = 18,559,528.28 × 10,355,920.51 - Step 4: Simplify right side
13,452,448.99x = 192,200,999,477,979.41 - Step 5: Solve for x
x = 192,200,999,477,979.41/13,452,448.99 - Step 6: Final answer
x = 14,287,435.67
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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.