Finding the Fourth Proportional to 48,220,885.83, 66,536,934.18 and 28,391,361.62
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Solution
The fourth proportional to 48,220,885.83, 66,536,934.18 and 28,391,361.62 is: 39,175,434.59
Step by Step Solution
- Step 1: Write the proportion equation
48,220,885.83 : 66,536,934.18 = 28,391,361.62 : x - Step 2: Convert to fraction form
48,220,885.83/66,536,934.18 = 28,391,361.62/x - Step 3: Cross multiply
48,220,885.83x = 66,536,934.18 × 28,391,361.62 - Step 4: Simplify right side
48,220,885.83x = 1,889,074,158,915,876.50 - Step 5: Solve for x
x = 1,889,074,158,915,876.50/48,220,885.83 - Step 6: Final answer
x = 39,175,434.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.