Finding the Fourth Proportional to 8,648,925.21, 11,933,536.49 and 5,163,585.57
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Solution
The fourth proportional to 8,648,925.21, 11,933,536.49 and 5,163,585.57 is: 7,124,565.80
Step by Step Solution
- Step 1: Write the proportion equation
8,648,925.21 : 11,933,536.49 = 5,163,585.57 : x - Step 2: Convert to fraction form
8,648,925.21/11,933,536.49 = 5,163,585.57/x - Step 3: Cross multiply
8,648,925.21x = 11,933,536.49 × 5,163,585.57 - Step 4: Simplify right side
8,648,925.21x = 61,619,836,793,014.52 - Step 5: Solve for x
x = 61,619,836,793,014.52/8,648,925.21 - Step 6: Final answer
x = 7,124,565.80
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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.