Finding the Fourth Proportional to 35,666,423.63, 49,219,671.77 and 21,727,777.98
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Solution
The fourth proportional to 35,666,423.63, 49,219,671.77 and 21,727,777.98 is: 29,984,337.98
Step by Step Solution
- Step 1: Write the proportion equation
35,666,423.63 : 49,219,671.77 = 21,727,777.98 : x - Step 2: Convert to fraction form
35,666,423.63/49,219,671.77 = 21,727,777.98/x - Step 3: Cross multiply
35,666,423.63x = 49,219,671.77 × 21,727,777.98 - Step 4: Simplify right side
35,666,423.63x = 1,069,434,100,358,394.75 - Step 5: Solve for x
x = 1,069,434,100,358,394.75/35,666,423.63 - Step 6: Final answer
x = 29,984,337.98
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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.