Finding the Fourth Proportional to 12,754,415.20, 19,118,438 and 5,925,416.80
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Solution
The fourth proportional to 12,754,415.20, 19,118,438 and 5,925,416.80 is: 8,881,999.84
Step by Step Solution
- Step 1: Write the proportion equation
12,754,415.20 : 19,118,438 = 5,925,416.80 : x - Step 2: Convert to fraction form
12,754,415.20/19,118,438 = 5,925,416.80/x - Step 3: Cross multiply
12,754,415.20x = 19,118,438 × 5,925,416.80 - Step 4: Simplify right side
12,754,415.20x = 113,284,713,714,958.39 - Step 5: Solve for x
x = 113,284,713,714,958.39/12,754,415.20 - Step 6: Final answer
x = 8,881,999.84
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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.