Finding the Fourth Proportional to 10,652,745.80, 14,700,854.09 and 5,757,955.49
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Solution
The fourth proportional to 10,652,745.80, 14,700,854.09 and 5,757,955.49 is: 7,946,013.65
Step by Step Solution
- Step 1: Write the proportion equation
10,652,745.80 : 14,700,854.09 = 5,757,955.49 : x - Step 2: Convert to fraction form
10,652,745.80/14,700,854.09 = 5,757,955.49/x - Step 3: Cross multiply
10,652,745.80x = 14,700,854.09 × 5,757,955.49 - Step 4: Simplify right side
10,652,745.80x = 84,646,863,486,414.69 - Step 5: Solve for x
x = 84,646,863,486,414.69/10,652,745.80 - Step 6: Final answer
x = 7,946,013.65
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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.