Finding the Fourth Proportional to 39,327,073.19, 54,274,593.21 and 21,689,426.24
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Solution
The fourth proportional to 39,327,073.19, 54,274,593.21 and 21,689,426.24 is: 29,933,190.82
Step by Step Solution
- Step 1: Write the proportion equation
39,327,073.19 : 54,274,593.21 = 21,689,426.24 : x - Step 2: Convert to fraction form
39,327,073.19/54,274,593.21 = 21,689,426.24/x - Step 3: Cross multiply
39,327,073.19x = 54,274,593.21 × 21,689,426.24 - Step 4: Simplify right side
39,327,073.19x = 1,177,184,785,862,926.75 - Step 5: Solve for x
x = 1,177,184,785,862,926.75/39,327,073.19 - Step 6: Final answer
x = 29,933,190.82
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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.