Finding the Fourth Proportional to 7,140,197.07, 10,710,640.05 and 2,347,780.23
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Solution
The fourth proportional to 7,140,197.07, 10,710,640.05 and 2,347,780.23 is: 3,521,783.60
Step by Step Solution
- Step 1: Write the proportion equation
7,140,197.07 : 10,710,640.05 = 2,347,780.23 : x - Step 2: Convert to fraction form
7,140,197.07/10,710,640.05 = 2,347,780.23/x - Step 3: Cross multiply
7,140,197.07x = 10,710,640.05 × 2,347,780.23 - Step 4: Simplify right side
7,140,197.07x = 25,146,228,960,036.21 - Step 5: Solve for x
x = 25,146,228,960,036.21/7,140,197.07 - Step 6: Final answer
x = 3,521,783.60
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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.