Finding the Fourth Proportional to 13,236,166.47, 19,854,265.29 and 4,138,311.81
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Solution
The fourth proportional to 13,236,166.47, 19,854,265.29 and 4,138,311.81 is: 6,207,472.59
Step by Step Solution
- Step 1: Write the proportion equation
13,236,166.47 : 19,854,265.29 = 4,138,311.81 : x - Step 2: Convert to fraction form
13,236,166.47/19,854,265.29 = 4,138,311.81/x - Step 3: Cross multiply
13,236,166.47x = 19,854,265.29 × 4,138,311.81 - Step 4: Simplify right side
13,236,166.47x = 82,163,140,528,480.08 - Step 5: Solve for x
x = 82,163,140,528,480.08/13,236,166.47 - Step 6: Final answer
x = 6,207,472.59
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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.