Finding the Fourth Proportional to 46,128,536.23, 69,193,475.03 and 12,049,885.75
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Solution
The fourth proportional to 46,128,536.23, 69,193,475.03 and 12,049,885.75 is: 18,075,003.82
Step by Step Solution
- Step 1: Write the proportion equation
46,128,536.23 : 69,193,475.03 = 12,049,885.75 : x - Step 2: Convert to fraction form
46,128,536.23/69,193,475.03 = 12,049,885.75/x - Step 3: Cross multiply
46,128,536.23x = 69,193,475.03 × 12,049,885.75 - Step 4: Simplify right side
46,128,536.23x = 833,773,468,756,977.88 - Step 5: Solve for x
x = 833,773,468,756,977.88/46,128,536.23 - Step 6: Final answer
x = 18,075,003.82
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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.