Finding the Fourth Proportional to 18,400,624.92, 25,393,035.96 and 10,140,985.08
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Solution
The fourth proportional to 18,400,624.92, 25,393,035.96 and 10,140,985.08 is: 13,994,655.07
Step by Step Solution
- Step 1: Write the proportion equation
18,400,624.92 : 25,393,035.96 = 10,140,985.08 : x - Step 2: Convert to fraction form
18,400,624.92/25,393,035.96 = 10,140,985.08/x - Step 3: Cross multiply
18,400,624.92x = 25,393,035.96 × 10,140,985.08 - Step 4: Simplify right side
18,400,624.92x = 257,510,398,806,263.50 - Step 5: Solve for x
x = 257,510,398,806,263.50/18,400,624.92 - Step 6: Final answer
x = 13,994,655.07
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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.