Finding the Fourth Proportional to 22,569,896.38, 31,155,991.49 and 15,237,661.08
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Solution
The fourth proportional to 22,569,896.38, 31,155,991.49 and 15,237,661.08 is: 21,034,409.32
Step by Step Solution
- Step 1: Write the proportion equation
22,569,896.38 : 31,155,991.49 = 15,237,661.08 : x - Step 2: Convert to fraction form
22,569,896.38/31,155,991.49 = 15,237,661.08/x - Step 3: Cross multiply
22,569,896.38x = 31,155,991.49 × 15,237,661.08 - Step 4: Simplify right side
22,569,896.38x = 474,744,438,859,795.88 - Step 5: Solve for x
x = 474,744,438,859,795.88/22,569,896.38 - Step 6: Final answer
x = 21,034,409.32
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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.