Finding the Fourth Proportional to 16,610,251.20, 24,915,376.80 and 12,831,115.20
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Solution
The fourth proportional to 16,610,251.20, 24,915,376.80 and 12,831,115.20 is: 19,246,672.80
Step by Step Solution
- Step 1: Write the proportion equation
16,610,251.20 : 24,915,376.80 = 12,831,115.20 : x - Step 2: Convert to fraction form
16,610,251.20/24,915,376.80 = 12,831,115.20/x - Step 3: Cross multiply
16,610,251.20x = 24,915,376.80 × 12,831,115.20 - Step 4: Simplify right side
16,610,251.20x = 319,692,069,972,207.38 - Step 5: Solve for x
x = 319,692,069,972,207.38/16,610,251.20 - Step 6: Final answer
x = 19,246,672.80
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1.5x scale
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.