Finding the Fourth Proportional to 19,793,242.56, 29,639,462.40 and 13,041,186.24
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Solution
The fourth proportional to 19,793,242.56, 29,639,462.40 and 13,041,186.24 is: 19,528,571.33
Step by Step Solution
- Step 1: Write the proportion equation
19,793,242.56 : 29,639,462.40 = 13,041,186.24 : x - Step 2: Convert to fraction form
19,793,242.56/29,639,462.40 = 13,041,186.24/x - Step 3: Cross multiply
19,793,242.56x = 29,639,462.40 × 13,041,186.24 - Step 4: Simplify right side
19,793,242.56x = 386,533,749,211,877.38 - Step 5: Solve for x
x = 386,533,749,211,877.38/19,793,242.56 - Step 6: Final answer
x = 19,528,571.33
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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.