Finding the Fourth Proportional to 13,236,170.46, 19,854,271.30 and 4,138,315.80
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Solution
The fourth proportional to 13,236,170.46, 19,854,271.30 and 4,138,315.80 is: 6,207,478.58
Step by Step Solution
- Step 1: Write the proportion equation
13,236,170.46 : 19,854,271.30 = 4,138,315.80 : x - Step 2: Convert to fraction form
13,236,170.46/19,854,271.30 = 4,138,315.80/x - Step 3: Cross multiply
13,236,170.46x = 19,854,271.30 × 4,138,315.80 - Step 4: Simplify right side
13,236,170.46x = 82,163,244,618,276.55 - Step 5: Solve for x
x = 82,163,244,618,276.55/13,236,170.46 - Step 6: Final answer
x = 6,207,478.58
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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.