Finding the Fourth Proportional to 28,467,689.49, 42,660,642.18 and 16,181,415.09
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Solution
The fourth proportional to 28,467,689.49, 42,660,642.18 and 16,181,415.09 is: 24,248,879.04
Step by Step Solution
- Step 1: Write the proportion equation
28,467,689.49 : 42,660,642.18 = 16,181,415.09 : x - Step 2: Convert to fraction form
28,467,689.49/42,660,642.18 = 16,181,415.09/x - Step 3: Cross multiply
28,467,689.49x = 42,660,642.18 × 16,181,415.09 - Step 4: Simplify right side
28,467,689.49x = 690,309,559,120,542.50 - Step 5: Solve for x
x = 690,309,559,120,542.50/28,467,689.49 - Step 6: Final answer
x = 24,248,879.04
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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.