Finding the Fourth Proportional to 7,402,472.10, 11,103,708.15 and 6,233,301.90
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Solution
The fourth proportional to 7,402,472.10, 11,103,708.15 and 6,233,301.90 is: 9,349,952.85
Step by Step Solution
- Step 1: Write the proportion equation
7,402,472.10 : 11,103,708.15 = 6,233,301.90 : x - Step 2: Convert to fraction form
7,402,472.10/11,103,708.15 = 6,233,301.90/x - Step 3: Cross multiply
7,402,472.10x = 11,103,708.15 × 6,233,301.90 - Step 4: Simplify right side
7,402,472.10x = 69,212,765,108,440.49 - Step 5: Solve for x
x = 69,212,765,108,440.49/7,402,472.10 - Step 6: Final answer
x = 9,349,952.85
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Similar ratio
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1.5x scale
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.