Finding the Fourth Proportional to 26,299,163.10, 39,448,744.65 and 12,143,387.10
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Solution
The fourth proportional to 26,299,163.10, 39,448,744.65 and 12,143,387.10 is: 18,215,080.65
Step by Step Solution
- Step 1: Write the proportion equation
26,299,163.10 : 39,448,744.65 = 12,143,387.10 : x - Step 2: Convert to fraction form
26,299,163.10/39,448,744.65 = 12,143,387.10/x - Step 3: Cross multiply
26,299,163.10x = 39,448,744.65 × 12,143,387.10 - Step 4: Simplify right side
26,299,163.10x = 479,041,376,894,004 - Step 5: Solve for x
x = 479,041,376,894,004/26,299,163.10 - Step 6: Final answer
x = 18,215,080.65
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1.5x scale
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.