Finding the Fourth Proportional to 16,433,787.20, 24,670,898.40 and 10,368,507.20
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Solution
The fourth proportional to 16,433,787.20, 24,670,898.40 and 10,368,507.20 is: 15,565,516.61
Step by Step Solution
- Step 1: Write the proportion equation
16,433,787.20 : 24,670,898.40 = 10,368,507.20 : x - Step 2: Convert to fraction form
16,433,787.20/24,670,898.40 = 10,368,507.20/x - Step 3: Cross multiply
16,433,787.20x = 24,670,898.40 × 10,368,507.20 - Step 4: Simplify right side
16,433,787.20x = 255,800,387,690,868.44 - Step 5: Solve for x
x = 255,800,387,690,868.44/16,433,787.20 - Step 6: Final answer
x = 15,565,516.61
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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.