Finding the Fourth Proportional to 10,993,395.16, 15,171,034.62 and 8,235,196.12
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Solution
The fourth proportional to 10,993,395.16, 15,171,034.62 and 8,235,196.12 is: 11,364,682.49
Step by Step Solution
- Step 1: Write the proportion equation
10,993,395.16 : 15,171,034.62 = 8,235,196.12 : x - Step 2: Convert to fraction form
10,993,395.16/15,171,034.62 = 8,235,196.12/x - Step 3: Cross multiply
10,993,395.16x = 15,171,034.62 × 8,235,196.12 - Step 4: Simplify right side
10,993,395.16x = 124,936,445,439,009.67 - Step 5: Solve for x
x = 124,936,445,439,009.67/10,993,395.16 - Step 6: Final answer
x = 11,364,682.49
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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.