Finding the Fourth Proportional to 36,652,699.84, 54,986,121.06 and 13,931,820.76
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Solution
The fourth proportional to 36,652,699.84, 54,986,121.06 and 13,931,820.76 is: 20,900,418.97
Step by Step Solution
- Step 1: Write the proportion equation
36,652,699.84 : 54,986,121.06 = 13,931,820.76 : x - Step 2: Convert to fraction form
36,652,699.84/54,986,121.06 = 13,931,820.76/x - Step 3: Cross multiply
36,652,699.84x = 54,986,121.06 × 13,931,820.76 - Step 4: Simplify right side
36,652,699.84x = 766,056,782,895,581.25 - Step 5: Solve for x
x = 766,056,782,895,581.25/36,652,699.84 - Step 6: Final answer
x = 20,900,418.97
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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.