Finding the Fourth Proportional to 7,135,860.24, 10,703,877.84 and 2,087,272.80
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Solution
The fourth proportional to 7,135,860.24, 10,703,877.84 and 2,087,272.80 is: 3,130,934.79
Step by Step Solution
- Step 1: Write the proportion equation
7,135,860.24 : 10,703,877.84 = 2,087,272.80 : x - Step 2: Convert to fraction form
7,135,860.24/10,703,877.84 = 2,087,272.80/x - Step 3: Cross multiply
7,135,860.24x = 10,703,877.84 × 2,087,272.80 - Step 4: Simplify right side
7,135,860.24x = 22,341,913,069,954.75 - Step 5: Solve for x
x = 22,341,913,069,954.75/7,135,860.24 - Step 6: Final answer
x = 3,130,934.79
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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.