Finding the Fourth Proportional to 22,509,280.25, 31,050,824.44 and 13,691,428.49
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Solution
The fourth proportional to 22,509,280.25, 31,050,824.44 and 13,691,428.49 is: 18,886,882.99
Step by Step Solution
- Step 1: Write the proportion equation
22,509,280.25 : 31,050,824.44 = 13,691,428.49 : x - Step 2: Convert to fraction form
22,509,280.25/31,050,824.44 = 13,691,428.49/x - Step 3: Cross multiply
22,509,280.25x = 31,050,824.44 × 13,691,428.49 - Step 4: Simplify right side
22,509,280.25x = 425,130,142,375,804.31 - Step 5: Solve for x
x = 425,130,142,375,804.31/22,509,280.25 - Step 6: Final answer
x = 18,886,882.99
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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.