Finding the Fourth Proportional to 35,886,135.40, 53,841,644.70 and 15,705,860.20
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Solution
The fourth proportional to 35,886,135.40, 53,841,644.70 and 15,705,860.20 is: 23,564,235.47
Step by Step Solution
- Step 1: Write the proportion equation
35,886,135.40 : 53,841,644.70 = 15,705,860.20 : x - Step 2: Convert to fraction form
35,886,135.40/53,841,644.70 = 15,705,860.20/x - Step 3: Cross multiply
35,886,135.40x = 53,841,644.70 × 15,705,860.20 - Step 4: Simplify right side
35,886,135.40x = 845,629,344,596,271 - Step 5: Solve for x
x = 845,629,344,596,271/35,886,135.40 - Step 6: Final answer
x = 23,564,235.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.