Finding the Fourth Proportional to 26,293,782.80, 39,440,674.20 and 15,676,950.80
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Solution
The fourth proportional to 26,293,782.80, 39,440,674.20 and 15,676,950.80 is: 23,515,426.20
Step by Step Solution
- Step 1: Write the proportion equation
26,293,782.80 : 39,440,674.20 = 15,676,950.80 : x - Step 2: Convert to fraction form
26,293,782.80/39,440,674.20 = 15,676,950.80/x - Step 3: Cross multiply
26,293,782.80x = 39,440,674.20 × 15,676,950.80 - Step 4: Simplify right side
26,293,782.80x = 618,309,508,952,229.38 - Step 5: Solve for x
x = 618,309,508,952,229.38/26,293,782.80 - Step 6: Final answer
x = 23,515,426.20
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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.