Finding the Fourth Proportional to 18,850,717.98, 26,014,334.76 and 10,478,873.88
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Solution
The fourth proportional to 18,850,717.98, 26,014,334.76 and 10,478,873.88 is: 14,461,037.15
Step by Step Solution
- Step 1: Write the proportion equation
18,850,717.98 : 26,014,334.76 = 10,478,873.88 : x - Step 2: Convert to fraction form
18,850,717.98/26,014,334.76 = 10,478,873.88/x - Step 3: Cross multiply
18,850,717.98x = 26,014,334.76 × 10,478,873.88 - Step 4: Simplify right side
18,850,717.98x = 272,600,933,022,140.09 - Step 5: Solve for x
x = 272,600,933,022,140.09/18,850,717.98 - Step 6: Final answer
x = 14,461,037.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.