Finding the Fourth Proportional to 13,498,451.12, 20,249,785.92 and 4,398,438.08
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Solution
The fourth proportional to 13,498,451.12, 20,249,785.92 and 4,398,438.08 is: 6,598,344.41
Step by Step Solution
- Step 1: Write the proportion equation
13,498,451.12 : 20,249,785.92 = 4,398,438.08 : x - Step 2: Convert to fraction form
13,498,451.12/20,249,785.92 = 4,398,438.08/x - Step 3: Cross multiply
13,498,451.12x = 20,249,785.92 × 4,398,438.08 - Step 4: Simplify right side
13,498,451.12x = 89,067,429,502,375.84 - Step 5: Solve for x
x = 89,067,429,502,375.84/13,498,451.12 - Step 6: Final answer
x = 6,598,344.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.