Finding the Fourth Proportional to 19,191,209.58, 28,782,568.08 and 5,541,393.06
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Solution
The fourth proportional to 19,191,209.58, 28,782,568.08 and 5,541,393.06 is: 8,310,863.49
Step by Step Solution
- Step 1: Write the proportion equation
19,191,209.58 : 28,782,568.08 = 5,541,393.06 : x - Step 2: Convert to fraction form
19,191,209.58/28,782,568.08 = 5,541,393.06/x - Step 3: Cross multiply
19,191,209.58x = 28,782,568.08 × 5,541,393.06 - Step 4: Simplify right side
19,191,209.58x = 159,495,523,007,489.50 - Step 5: Solve for x
x = 159,495,523,007,489.50/19,191,209.58 - Step 6: Final answer
x = 8,310,863.49
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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.