Finding the Fourth Proportional to 32,613,579.60, 48,920,369.40 and 21,864,037.20
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Solution
The fourth proportional to 32,613,579.60, 48,920,369.40 and 21,864,037.20 is: 32,796,055.80
Step by Step Solution
- Step 1: Write the proportion equation
32,613,579.60 : 48,920,369.40 = 21,864,037.20 : x - Step 2: Convert to fraction form
32,613,579.60/48,920,369.40 = 21,864,037.20/x - Step 3: Cross multiply
32,613,579.60x = 48,920,369.40 × 21,864,037.20 - Step 4: Simplify right side
32,613,579.60x = 1,069,596,776,399,341.62 - Step 5: Solve for x
x = 1,069,596,776,399,341.62/32,613,579.60 - Step 6: Final answer
x = 32,796,055.80
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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.