Finding the Fourth Proportional to 12,576,671.54, 18,868,994.92 and 4,489,473.58
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Solution
The fourth proportional to 12,576,671.54, 18,868,994.92 and 4,489,473.58 is: 6,735,633.82
Step by Step Solution
- Step 1: Write the proportion equation
12,576,671.54 : 18,868,994.92 = 4,489,473.58 : x - Step 2: Convert to fraction form
12,576,671.54/18,868,994.92 = 4,489,473.58/x - Step 3: Cross multiply
12,576,671.54x = 18,868,994.92 × 4,489,473.58 - Step 4: Simplify right side
12,576,671.54x = 84,711,854,174,494.22 - Step 5: Solve for x
x = 84,711,854,174,494.22/12,576,671.54 - Step 6: Final answer
x = 6,735,633.82
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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.