Finding the Fourth Proportional to 16,655,541.90, 24,983,312.85 and 11,812,785.80
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Solution
The fourth proportional to 16,655,541.90, 24,983,312.85 and 11,812,785.80 is: 17,719,178.69
Step by Step Solution
- Step 1: Write the proportion equation
16,655,541.90 : 24,983,312.85 = 11,812,785.80 : x - Step 2: Convert to fraction form
16,655,541.90/24,983,312.85 = 11,812,785.80/x - Step 3: Cross multiply
16,655,541.90x = 24,983,312.85 × 11,812,785.80 - Step 4: Simplify right side
16,655,541.90x = 295,122,523,146,521 - Step 5: Solve for x
x = 295,122,523,146,521/16,655,541.90 - Step 6: Final answer
x = 17,719,178.69
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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.