Finding the Fourth Proportional to 26,415,002.87, 39,622,809.37 and 7,971,107.66
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Solution
The fourth proportional to 26,415,002.87, 39,622,809.37 and 7,971,107.66 is: 11,956,753.55
Step by Step Solution
- Step 1: Write the proportion equation
26,415,002.87 : 39,622,809.37 = 7,971,107.66 : x - Step 2: Convert to fraction form
26,415,002.87/39,622,809.37 = 7,971,107.66/x - Step 3: Cross multiply
26,415,002.87x = 39,622,809.37 × 7,971,107.66 - Step 4: Simplify right side
26,415,002.87x = 315,837,679,359,056 - Step 5: Solve for x
x = 315,837,679,359,056/26,415,002.87 - Step 6: Final answer
x = 11,956,753.55
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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.