Finding the Fourth Proportional to 27,115,454.97, 40,668,693.57 and 8,919,877.41
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Solution
The fourth proportional to 27,115,454.97, 40,668,693.57 and 8,919,877.41 is: 13,378,339.46
Step by Step Solution
- Step 1: Write the proportion equation
27,115,454.97 : 40,668,693.57 = 8,919,877.41 : x - Step 2: Convert to fraction form
27,115,454.97/40,668,693.57 = 8,919,877.41/x - Step 3: Cross multiply
27,115,454.97x = 40,668,693.57 × 8,919,877.41 - Step 4: Simplify right side
27,115,454.97x = 362,759,761,069,255.25 - Step 5: Solve for x
x = 362,759,761,069,255.25/27,115,454.97 - Step 6: Final answer
x = 13,378,339.46
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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.