Finding the Fourth Proportional to 12,291,708.12, 16,962,460.38 and 7,135,549.08
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Solution
The fourth proportional to 12,291,708.12, 16,962,460.38 and 7,135,549.08 is: 9,847,001.52
Step by Step Solution
- Step 1: Write the proportion equation
12,291,708.12 : 16,962,460.38 = 7,135,549.08 : x - Step 2: Convert to fraction form
12,291,708.12/16,962,460.38 = 7,135,549.08/x - Step 3: Cross multiply
12,291,708.12x = 16,962,460.38 × 7,135,549.08 - Step 4: Simplify right side
12,291,708.12x = 121,036,468,559,045.44 - Step 5: Solve for x
x = 121,036,468,559,045.44/12,291,708.12 - Step 6: Final answer
x = 9,847,001.52
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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.