Finding the Fourth Proportional to 17,728,390.81, 26,604,552.75 and 6,944,354.56
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Solution
The fourth proportional to 17,728,390.81, 26,604,552.75 and 6,944,354.56 is: 10,421,219.23
Step by Step Solution
- Step 1: Write the proportion equation
17,728,390.81 : 26,604,552.75 = 6,944,354.56 : x - Step 2: Convert to fraction form
17,728,390.81/26,604,552.75 = 6,944,354.56/x - Step 3: Cross multiply
17,728,390.81x = 26,604,552.75 × 6,944,354.56 - Step 4: Simplify right side
17,728,390.81x = 184,751,447,206,223.03 - Step 5: Solve for x
x = 184,751,447,206,223.03/17,728,390.81 - Step 6: Final answer
x = 10,421,219.23
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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.