Finding the Fourth Proportional to 13,818,598.11, 20,730,553.97 and 5,298,270.08
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Solution
The fourth proportional to 13,818,598.11, 20,730,553.97 and 5,298,270.08 is: 7,948,423.77
Step by Step Solution
- Step 1: Write the proportion equation
13,818,598.11 : 20,730,553.97 = 5,298,270.08 : x - Step 2: Convert to fraction form
13,818,598.11/20,730,553.97 = 5,298,270.08/x - Step 3: Cross multiply
13,818,598.11x = 20,730,553.97 × 5,298,270.08 - Step 4: Simplify right side
13,818,598.11x = 109,836,073,710,932.09 - Step 5: Solve for x
x = 109,836,073,710,932.09/13,818,598.11 - Step 6: Final answer
x = 7,948,423.77
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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.