Finding the Fourth Proportional to 26,385,343.20, 39,613,444.20 and 16,843,024.80
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Solution
The fourth proportional to 26,385,343.20, 39,613,444.20 and 16,843,024.80 is: 25,287,153.48
Step by Step Solution
- Step 1: Write the proportion equation
26,385,343.20 : 39,613,444.20 = 16,843,024.80 : x - Step 2: Convert to fraction form
26,385,343.20/39,613,444.20 = 16,843,024.80/x - Step 3: Cross multiply
26,385,343.20x = 39,613,444.20 × 16,843,024.80 - Step 4: Simplify right side
26,385,343.20x = 667,210,223,074,016.25 - Step 5: Solve for x
x = 667,210,223,074,016.25/26,385,343.20 - Step 6: Final answer
x = 25,287,153.48
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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.