Finding the Fourth Proportional to 9,988,972.08, 14,983,465.41 and 2,415,945.12
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Solution
The fourth proportional to 9,988,972.08, 14,983,465.41 and 2,415,945.12 is: 3,623,919.44
Step by Step Solution
- Step 1: Write the proportion equation
9,988,972.08 : 14,983,465.41 = 2,415,945.12 : x - Step 2: Convert to fraction form
9,988,972.08/14,983,465.41 = 2,415,945.12/x - Step 3: Cross multiply
9,988,972.08x = 14,983,465.41 × 2,415,945.12 - Step 4: Simplify right side
9,988,972.08x = 36,199,230,137,978.30 - Step 5: Solve for x
x = 36,199,230,137,978.30/9,988,972.08 - Step 6: Final answer
x = 3,623,919.44
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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.