Finding the Fourth Proportional to 28,348,615.53, 42,488,377.18 and 14,694,234.12
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Solution
The fourth proportional to 28,348,615.53, 42,488,377.18 and 14,694,234.12 is: 22,023,444.53
Step by Step Solution
- Step 1: Write the proportion equation
28,348,615.53 : 42,488,377.18 = 14,694,234.12 : x - Step 2: Convert to fraction form
28,348,615.53/42,488,377.18 = 14,694,234.12/x - Step 3: Cross multiply
28,348,615.53x = 42,488,377.18 × 14,694,234.12 - Step 4: Simplify right side
28,348,615.53x = 624,334,161,661,785.38 - Step 5: Solve for x
x = 624,334,161,661,785.38/28,348,615.53 - Step 6: Final answer
x = 22,023,444.53
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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.