Finding the Fourth Proportional to 13,452,449.99, 18,559,529.66 and 10,355,921.51
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Solution
The fourth proportional to 13,452,449.99, 18,559,529.66 and 10,355,921.51 is: 14,287,437.05
Step by Step Solution
- Step 1: Write the proportion equation
13,452,449.99 : 18,559,529.66 = 10,355,921.51 : x - Step 2: Convert to fraction form
13,452,449.99/18,559,529.66 = 10,355,921.51/x - Step 3: Cross multiply
13,452,449.99x = 18,559,529.66 × 10,355,921.51 - Step 4: Simplify right side
13,452,449.99x = 192,201,032,421,476.97 - Step 5: Solve for x
x = 192,201,032,421,476.97/13,452,449.99 - Step 6: Final answer
x = 14,287,437.05
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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.