Finding the Fourth Proportional to 7,223,215.41, 9,967,484.05 and 4,125,311.12
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Solution
The fourth proportional to 7,223,215.41, 9,967,484.05 and 4,125,311.12 is: 5,692,613.39
Step by Step Solution
- Step 1: Write the proportion equation
7,223,215.41 : 9,967,484.05 = 4,125,311.12 : x - Step 2: Convert to fraction form
7,223,215.41/9,967,484.05 = 4,125,311.12/x - Step 3: Cross multiply
7,223,215.41x = 9,967,484.05 × 4,125,311.12 - Step 4: Simplify right side
7,223,215.41x = 41,118,972,768,728.69 - Step 5: Solve for x
x = 41,118,972,768,728.69/7,223,215.41 - Step 6: Final answer
x = 5,692,613.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.