Finding the Fourth Proportional to 18,944,688.08, 28,409,977.56 and 6,810,840.56
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Solution
The fourth proportional to 18,944,688.08, 28,409,977.56 and 6,810,840.56 is: 10,213,724.64
Step by Step Solution
- Step 1: Write the proportion equation
18,944,688.08 : 28,409,977.56 = 6,810,840.56 : x - Step 2: Convert to fraction form
18,944,688.08/28,409,977.56 = 6,810,840.56/x - Step 3: Cross multiply
18,944,688.08x = 28,409,977.56 × 6,810,840.56 - Step 4: Simplify right side
18,944,688.08x = 193,495,827,474,337.81 - Step 5: Solve for x
x = 193,495,827,474,337.81/18,944,688.08 - Step 6: Final answer
x = 10,213,724.64
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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.