Finding the Fourth Proportional to 48,533,039.08, 72,813,163.74 and 21,241,709.80
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Solution
The fourth proportional to 48,533,039.08, 72,813,163.74 and 21,241,709.80 is: 31,868,519.32
Step by Step Solution
- Step 1: Write the proportion equation
48,533,039.08 : 72,813,163.74 = 21,241,709.80 : x - Step 2: Convert to fraction form
48,533,039.08/72,813,163.74 = 21,241,709.80/x - Step 3: Cross multiply
48,533,039.08x = 72,813,163.74 × 21,241,709.80 - Step 4: Simplify right side
48,533,039.08x = 1,546,676,093,784,962.50 - Step 5: Solve for x
x = 1,546,676,093,784,962.50/48,533,039.08 - Step 6: Final answer
x = 31,868,519.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.