Finding the Fourth Proportional to 16,449,820.90, 24,674,731.35 and 15,977,428.90
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Solution
The fourth proportional to 16,449,820.90, 24,674,731.35 and 15,977,428.90 is: 23,966,143.35
Step by Step Solution
- Step 1: Write the proportion equation
16,449,820.90 : 24,674,731.35 = 15,977,428.90 : x - Step 2: Convert to fraction form
16,449,820.90/24,674,731.35 = 15,977,428.90/x - Step 3: Cross multiply
16,449,820.90x = 24,674,731.35 × 15,977,428.90 - Step 4: Simplify right side
16,449,820.90x = 394,238,765,771,226.06 - Step 5: Solve for x
x = 394,238,765,771,226.06/16,449,820.90 - Step 6: Final answer
x = 23,966,143.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.