Finding the Fourth Proportional to 17,991,438.84, 26,987,237.22 and 5,695,462.56
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Solution
The fourth proportional to 17,991,438.84, 26,987,237.22 and 5,695,462.56 is: 8,543,218.84
Step by Step Solution
- Step 1: Write the proportion equation
17,991,438.84 : 26,987,237.22 = 5,695,462.56 : x - Step 2: Convert to fraction form
17,991,438.84/26,987,237.22 = 5,695,462.56/x - Step 3: Cross multiply
17,991,438.84x = 26,987,237.22 × 5,695,462.56 - Step 4: Simplify right side
17,991,438.84x = 153,704,799,184,348.47 - Step 5: Solve for x
x = 153,704,799,184,348.47/17,991,438.84 - Step 6: Final answer
x = 8,543,218.84
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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.