Finding the Fourth Proportional to 7,464,823.20, 11,197,234.80 and 5,971,831.20
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Solution
The fourth proportional to 7,464,823.20, 11,197,234.80 and 5,971,831.20 is: 8,957,746.80
Step by Step Solution
- Step 1: Write the proportion equation
7,464,823.20 : 11,197,234.80 = 5,971,831.20 : x - Step 2: Convert to fraction form
7,464,823.20/11,197,234.80 = 5,971,831.20/x - Step 3: Cross multiply
7,464,823.20x = 11,197,234.80 × 5,971,831.20 - Step 4: Simplify right side
7,464,823.20x = 66,867,996,132,365.77 - Step 5: Solve for x
x = 66,867,996,132,365.77/7,464,823.20 - Step 6: Final answer
x = 8,957,746.80
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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.