Finding the Fourth Proportional to 20,235,588.18, 27,934,230.56 and 12,903,277.02
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Solution
The fourth proportional to 20,235,588.18, 27,934,230.56 and 12,903,277.02 is: 17,812,336.96
Step by Step Solution
- Step 1: Write the proportion equation
20,235,588.18 : 27,934,230.56 = 12,903,277.02 : x - Step 2: Convert to fraction form
20,235,588.18/27,934,230.56 = 12,903,277.02/x - Step 3: Cross multiply
20,235,588.18x = 27,934,230.56 × 12,903,277.02 - Step 4: Simplify right side
20,235,588.18x = 360,443,115,191,713.31 - Step 5: Solve for x
x = 360,443,115,191,713.31/20,235,588.18 - Step 6: Final answer
x = 17,812,336.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.