Finding the Fourth Proportional to 16,603,807.70, 24,905,711.55 and 13,769,455.70
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Solution
The fourth proportional to 16,603,807.70, 24,905,711.55 and 13,769,455.70 is: 20,654,183.55
Step by Step Solution
- Step 1: Write the proportion equation
16,603,807.70 : 24,905,711.55 = 13,769,455.70 : x - Step 2: Convert to fraction form
16,603,807.70/24,905,711.55 = 13,769,455.70/x - Step 3: Cross multiply
16,603,807.70x = 24,905,711.55 × 13,769,455.70 - Step 4: Simplify right side
16,603,807.70x = 342,938,091,864,703.31 - Step 5: Solve for x
x = 342,938,091,864,703.31/16,603,807.70 - Step 6: Final answer
x = 20,654,183.55
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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.