Finding the Fourth Proportional to 8,934,147.68, 13,367,403.28 and 5,292,831.91
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Solution
The fourth proportional to 8,934,147.68, 13,367,403.28 and 5,292,831.91 is: 7,919,213.02
Step by Step Solution
- Step 1: Write the proportion equation
8,934,147.68 : 13,367,403.28 = 5,292,831.91 : x - Step 2: Convert to fraction form
8,934,147.68/13,367,403.28 = 5,292,831.91/x - Step 3: Cross multiply
8,934,147.68x = 13,367,403.28 × 5,292,831.91 - Step 4: Simplify right side
8,934,147.68x = 70,751,418,634,222.66 - Step 5: Solve for x
x = 70,751,418,634,222.66/8,934,147.68 - Step 6: Final answer
x = 7,919,213.02
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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.