Finding the Fourth Proportional to 11,243,155.40, 15,515,559.24 and 6,086,516.84
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Solution
The fourth proportional to 11,243,155.40, 15,515,559.24 and 6,086,516.84 is: 8,399,395.83
Step by Step Solution
- Step 1: Write the proportion equation
11,243,155.40 : 15,515,559.24 = 6,086,516.84 : x - Step 2: Convert to fraction form
11,243,155.40/15,515,559.24 = 6,086,516.84/x - Step 3: Cross multiply
11,243,155.40x = 15,515,559.24 × 6,086,516.84 - Step 4: Simplify right side
11,243,155.40x = 94,435,712,596,277.59 - Step 5: Solve for x
x = 94,435,712,596,277.59/11,243,155.40 - Step 6: Final answer
x = 8,399,395.83
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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.