Finding the Fourth Proportional to 22,470,135.14, 31,030,202.48 and 21,245,976.50
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Solution
The fourth proportional to 22,470,135.14, 31,030,202.48 and 21,245,976.50 is: 29,339,696.82
Step by Step Solution
- Step 1: Write the proportion equation
22,470,135.14 : 31,030,202.48 = 21,245,976.50 : x - Step 2: Convert to fraction form
22,470,135.14/31,030,202.48 = 21,245,976.50/x - Step 3: Cross multiply
22,470,135.14x = 31,030,202.48 × 21,245,976.50 - Step 4: Simplify right side
22,470,135.14x = 659,266,952,651,667.38 - Step 5: Solve for x
x = 659,266,952,651,667.38/22,470,135.14 - Step 6: Final answer
x = 29,339,696.82
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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.