Finding the Fourth Proportional to 12,415,297.40, 18,623,733.29 and 3,895,970.12
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Solution
The fourth proportional to 12,415,297.40, 18,623,733.29 and 3,895,970.12 is: 5,844,202.20
Step by Step Solution
- Step 1: Write the proportion equation
12,415,297.40 : 18,623,733.29 = 3,895,970.12 : x - Step 2: Convert to fraction form
12,415,297.40/18,623,733.29 = 3,895,970.12/x - Step 3: Cross multiply
12,415,297.40x = 18,623,733.29 × 3,895,970.12 - Step 4: Simplify right side
12,415,297.40x = 72,557,508,420,689.30 - Step 5: Solve for x
x = 72,557,508,420,689.30/12,415,297.40 - Step 6: Final answer
x = 5,844,202.20
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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.