Finding the Fourth Proportional to 7,438,358.79, 11,153,203.00 and 2,884,087.08
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Solution
The fourth proportional to 7,438,358.79, 11,153,203.00 and 2,884,087.08 is: 4,324,449.73
Step by Step Solution
- Step 1: Write the proportion equation
7,438,358.79 : 11,153,203.00 = 2,884,087.08 : x - Step 2: Convert to fraction form
7,438,358.79/11,153,203.00 = 2,884,087.08/x - Step 3: Cross multiply
7,438,358.79x = 11,153,203.00 × 2,884,087.08 - Step 4: Simplify right side
7,438,358.79x = 32,166,808,665,707.02 - Step 5: Solve for x
x = 32,166,808,665,707.02/7,438,358.79 - Step 6: Final answer
x = 4,324,449.73
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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.