Finding the Fourth Proportional to 12,291,707.12, 16,962,459 and 7,135,548.08
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Solution
The fourth proportional to 12,291,707.12, 16,962,459 and 7,135,548.08 is: 9,847,000.14
Step by Step Solution
- Step 1: Write the proportion equation
12,291,707.12 : 16,962,459 = 7,135,548.08 : x - Step 2: Convert to fraction form
12,291,707.12/16,962,459 = 7,135,548.08/x - Step 3: Cross multiply
12,291,707.12x = 16,962,459 × 7,135,548.08 - Step 4: Simplify right side
12,291,707.12x = 121,036,441,749,528.72 - Step 5: Solve for x
x = 121,036,441,749,528.72/12,291,707.12 - Step 6: Final answer
x = 9,847,000.14
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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.