Finding the Fourth Proportional to 56,798,688.11, 85,198,027.95 and 13,667,896.08
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Solution
The fourth proportional to 56,798,688.11, 85,198,027.95 and 13,667,896.08 is: 20,501,843.11
Step by Step Solution
- Step 1: Write the proportion equation
56,798,688.11 : 85,198,027.95 = 13,667,896.08 : x - Step 2: Convert to fraction form
56,798,688.11/85,198,027.95 = 13,667,896.08/x - Step 3: Cross multiply
56,798,688.11x = 85,198,027.95 × 13,667,896.08 - Step 4: Simplify right side
56,798,688.11x = 1,164,477,792,241,535.50 - Step 5: Solve for x
x = 1,164,477,792,241,535.50/56,798,688.11 - Step 6: Final answer
x = 20,501,843.11
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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.