Finding the Fourth Proportional to 18,102,154.32, 24,980,886.24 and 10,664,134.50
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Solution
The fourth proportional to 18,102,154.32, 24,980,886.24 and 10,664,134.50 is: 14,716,454.52
Step by Step Solution
- Step 1: Write the proportion equation
18,102,154.32 : 24,980,886.24 = 10,664,134.50 : x - Step 2: Convert to fraction form
18,102,154.32/24,980,886.24 = 10,664,134.50/x - Step 3: Cross multiply
18,102,154.32x = 24,980,886.24 × 10,664,134.50 - Step 4: Simplify right side
18,102,154.32x = 266,399,530,792,559.25 - Step 5: Solve for x
x = 266,399,530,792,559.25/18,102,154.32 - Step 6: Final answer
x = 14,716,454.52
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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.