Finding the Fourth Proportional to 13,580,726.24, 20,370,793.44 and 6,388,273.46
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Solution
The fourth proportional to 13,580,726.24, 20,370,793.44 and 6,388,273.46 is: 9,582,270.99
Step by Step Solution
- Step 1: Write the proportion equation
13,580,726.24 : 20,370,793.44 = 6,388,273.46 : x - Step 2: Convert to fraction form
13,580,726.24/20,370,793.44 = 6,388,273.46/x - Step 3: Cross multiply
13,580,726.24x = 20,370,793.44 × 6,388,273.46 - Step 4: Simplify right side
13,580,726.24x = 130,134,199,091,894.11 - Step 5: Solve for x
x = 130,134,199,091,894.11/13,580,726.24 - Step 6: Final answer
x = 9,582,270.99
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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.