Finding the Fourth Proportional to 35,666,425.63, 49,219,674.53 and 21,727,779.98
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Solution
The fourth proportional to 35,666,425.63, 49,219,674.53 and 21,727,779.98 is: 29,984,340.73
Step by Step Solution
- Step 1: Write the proportion equation
35,666,425.63 : 49,219,674.53 = 21,727,779.98 : x - Step 2: Convert to fraction form
35,666,425.63/49,219,674.53 = 21,727,779.98/x - Step 3: Cross multiply
35,666,425.63x = 49,219,674.53 × 21,727,779.98 - Step 4: Simplify right side
35,666,425.63x = 1,069,434,258,875,050 - Step 5: Solve for x
x = 1,069,434,258,875,050/35,666,425.63 - Step 6: Final answer
x = 29,984,340.73
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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.