Finding the Fourth Proportional to 8,684,649.21, 11,984,777.52 and 4,963,418.14
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Solution
The fourth proportional to 8,684,649.21, 11,984,777.52 and 4,963,418.14 is: 6,849,495.09
Step by Step Solution
- Step 1: Write the proportion equation
8,684,649.21 : 11,984,777.52 = 4,963,418.14 : x - Step 2: Convert to fraction form
8,684,649.21/11,984,777.52 = 4,963,418.14/x - Step 3: Cross multiply
8,684,649.21x = 11,984,777.52 × 4,963,418.14 - Step 4: Simplify right side
8,684,649.21x = 59,485,462,091,853.18 - Step 5: Solve for x
x = 59,485,462,091,853.18/8,684,649.21 - Step 6: Final answer
x = 6,849,495.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.