Finding the Fourth Proportional to 42,395,553.60, 63,601,624.80 and 18,134,433.60
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Solution
The fourth proportional to 42,395,553.60, 63,601,624.80 and 18,134,433.60 is: 27,205,198.28
Step by Step Solution
- Step 1: Write the proportion equation
42,395,553.60 : 63,601,624.80 = 18,134,433.60 : x - Step 2: Convert to fraction form
42,395,553.60/63,601,624.80 = 18,134,433.60/x - Step 3: Cross multiply
42,395,553.60x = 63,601,624.80 × 18,134,433.60 - Step 4: Simplify right side
42,395,553.60x = 1,153,379,441,787,713.25 - Step 5: Solve for x
x = 1,153,379,441,787,713.25/42,395,553.60 - Step 6: Final answer
x = 27,205,198.28
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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.