Finding the Fourth Proportional to 17,772,821.80, 26,671,674.30 and 7,682,684.20
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Solution
The fourth proportional to 17,772,821.80, 26,671,674.30 and 7,682,684.20 is: 11,529,404.45
Step by Step Solution
- Step 1: Write the proportion equation
17,772,821.80 : 26,671,674.30 = 7,682,684.20 : x - Step 2: Convert to fraction form
17,772,821.80/26,671,674.30 = 7,682,684.20/x - Step 3: Cross multiply
17,772,821.80x = 26,671,674.30 × 7,682,684.20 - Step 4: Simplify right side
17,772,821.80x = 204,910,050,732,156.06 - Step 5: Solve for x
x = 204,910,050,732,156.06/17,772,821.80 - Step 6: Final answer
x = 11,529,404.45
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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.