Finding the Fourth Proportional to 16,540,801.70, 24,811,202.55 and 15,796,784.30
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Solution
The fourth proportional to 16,540,801.70, 24,811,202.55 and 15,796,784.30 is: 23,695,176.45
Step by Step Solution
- Step 1: Write the proportion equation
16,540,801.70 : 24,811,202.55 = 15,796,784.30 : x - Step 2: Convert to fraction form
16,540,801.70/24,811,202.55 = 15,796,784.30/x - Step 3: Cross multiply
16,540,801.70x = 24,811,202.55 × 15,796,784.30 - Step 4: Simplify right side
16,540,801.70x = 391,937,214,905,960 - Step 5: Solve for x
x = 391,937,214,905,960/16,540,801.70 - Step 6: Final answer
x = 23,695,176.45
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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.