Finding the Fourth Proportional to 11,439,339.29, 15,791,119.29 and 7,723,204.58
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Solution
The fourth proportional to 11,439,339.29, 15,791,119.29 and 7,723,204.58 is: 10,661,283.99
Step by Step Solution
- Step 1: Write the proportion equation
11,439,339.29 : 15,791,119.29 = 7,723,204.58 : x - Step 2: Convert to fraction form
11,439,339.29/15,791,119.29 = 7,723,204.58/x - Step 3: Cross multiply
11,439,339.29x = 15,791,119.29 × 7,723,204.58 - Step 4: Simplify right side
11,439,339.29x = 121,958,044,744,898.75 - Step 5: Solve for x
x = 121,958,044,744,898.75/11,439,339.29 - Step 6: Final answer
x = 10,661,283.99
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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.