Finding the Fourth Proportional to 32,579,432.80, 48,869,149.20 and 13,403,816.80
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Solution
The fourth proportional to 32,579,432.80, 48,869,149.20 and 13,403,816.80 is: 20,105,725.20
Step by Step Solution
- Step 1: Write the proportion equation
32,579,432.80 : 48,869,149.20 = 13,403,816.80 : x - Step 2: Convert to fraction form
32,579,432.80/48,869,149.20 = 13,403,816.80/x - Step 3: Cross multiply
32,579,432.80x = 48,869,149.20 × 13,403,816.80 - Step 4: Simplify right side
32,579,432.80x = 655,033,123,048,666.62 - Step 5: Solve for x
x = 655,033,123,048,666.62/32,579,432.80 - Step 6: Final answer
x = 20,105,725.20
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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.