Finding the Fourth Proportional to 37,273,934.74, 51,437,415.78 and 21,806,639.68
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Solution
The fourth proportional to 37,273,934.74, 51,437,415.78 and 21,806,639.68 is: 30,092,803.45
Step by Step Solution
- Step 1: Write the proportion equation
37,273,934.74 : 51,437,415.78 = 21,806,639.68 : x - Step 2: Convert to fraction form
37,273,934.74/51,437,415.78 = 21,806,639.68/x - Step 3: Cross multiply
37,273,934.74x = 51,437,415.78 × 21,806,639.68 - Step 4: Simplify right side
37,273,934.74x = 1,121,677,191,984,806.12 - Step 5: Solve for x
x = 1,121,677,191,984,806.12/37,273,934.74 - Step 6: Final answer
x = 30,092,803.45
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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.