Finding the Fourth Proportional to 12,505,218.36, 18,748,028.58 and 4,937,848.44
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Solution
The fourth proportional to 12,505,218.36, 18,748,028.58 and 4,937,848.44 is: 7,402,903.41
Step by Step Solution
- Step 1: Write the proportion equation
12,505,218.36 : 18,748,028.58 = 4,937,848.44 : x - Step 2: Convert to fraction form
12,505,218.36/18,748,028.58 = 4,937,848.44/x - Step 3: Cross multiply
12,505,218.36x = 18,748,028.58 × 4,937,848.44 - Step 4: Simplify right side
12,505,218.36x = 92,574,923,676,828.41 - Step 5: Solve for x
x = 92,574,923,676,828.41/12,505,218.36 - Step 6: Final answer
x = 7,402,903.41
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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.