Finding the Fourth Proportional to 28,170,519.39, 42,131,579.36 and 24,523,259.49
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Solution
The fourth proportional to 28,170,519.39, 42,131,579.36 and 24,523,259.49 is: 36,676,769.74
Step by Step Solution
- Step 1: Write the proportion equation
28,170,519.39 : 42,131,579.36 = 24,523,259.49 : x - Step 2: Convert to fraction form
28,170,519.39/42,131,579.36 = 24,523,259.49/x - Step 3: Cross multiply
28,170,519.39x = 42,131,579.36 × 24,523,259.49 - Step 4: Simplify right side
28,170,519.39x = 1,033,203,653,246,191.62 - Step 5: Solve for x
x = 1,033,203,653,246,191.62/28,170,519.39 - Step 6: Final answer
x = 36,676,769.74
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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.