Finding the Fourth Proportional to 48,251,326.40, 72,387,487.20 and 15,897,723.20
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Solution
The fourth proportional to 48,251,326.40, 72,387,487.20 and 15,897,723.20 is: 23,850,043.52
Step by Step Solution
- Step 1: Write the proportion equation
48,251,326.40 : 72,387,487.20 = 15,897,723.20 : x - Step 2: Convert to fraction form
48,251,326.40/72,387,487.20 = 15,897,723.20/x - Step 3: Cross multiply
48,251,326.40x = 72,387,487.20 × 15,897,723.20 - Step 4: Simplify right side
48,251,326.40x = 1,150,796,234,649,143 - Step 5: Solve for x
x = 1,150,796,234,649,143/48,251,326.40 - Step 6: Final answer
x = 23,850,043.52
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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.