Finding the Fourth Proportional to 7,473,105.70, 11,209,658.55 and 7,402,246.90
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Solution
The fourth proportional to 7,473,105.70, 11,209,658.55 and 7,402,246.90 is: 11,103,370.35
Step by Step Solution
- Step 1: Write the proportion equation
7,473,105.70 : 11,209,658.55 = 7,402,246.90 : x - Step 2: Convert to fraction form
7,473,105.70/11,209,658.55 = 7,402,246.90/x - Step 3: Cross multiply
7,473,105.70x = 11,209,658.55 × 7,402,246.90 - Step 4: Simplify right side
7,473,105.70x = 82,976,660,251,796 - Step 5: Solve for x
x = 82,976,660,251,796/7,473,105.70 - Step 6: Final answer
x = 11,103,370.35
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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.