Finding the Fourth Proportional to 12,134,483.20, 18,201,724.80 and 3,498,566.95
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Solution
The fourth proportional to 12,134,483.20, 18,201,724.80 and 3,498,566.95 is: 5,247,850.43
Step by Step Solution
- Step 1: Write the proportion equation
12,134,483.20 : 18,201,724.80 = 3,498,566.95 : x - Step 2: Convert to fraction form
12,134,483.20/18,201,724.80 = 3,498,566.95/x - Step 3: Cross multiply
12,134,483.20x = 18,201,724.80 × 3,498,566.95 - Step 4: Simplify right side
12,134,483.20x = 63,679,952,818,275.37 - Step 5: Solve for x
x = 63,679,952,818,275.37/12,134,483.20 - Step 6: Final answer
x = 5,247,850.43
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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.