Finding the Fourth Proportional to 36,416,943.47, 50,254,795.43 and 19,896,713.21
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Solution
The fourth proportional to 36,416,943.47, 50,254,795.43 and 19,896,713.21 is: 27,457,143.75
Step by Step Solution
- Step 1: Write the proportion equation
36,416,943.47 : 50,254,795.43 = 19,896,713.21 : x - Step 2: Convert to fraction form
36,416,943.47/50,254,795.43 = 19,896,713.21/x - Step 3: Cross multiply
36,416,943.47x = 50,254,795.43 × 19,896,713.21 - Step 4: Simplify right side
36,416,943.47x = 999,905,251,747,171 - Step 5: Solve for x
x = 999,905,251,747,171/36,416,943.47 - Step 6: Final answer
x = 27,457,143.75
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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.