Finding the Fourth Proportional to 7,318,689.84, 10,099,519.02 and 4,221,340.14
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Solution
The fourth proportional to 7,318,689.84, 10,099,519.02 and 4,221,340.14 is: 5,825,291.95
Step by Step Solution
- Step 1: Write the proportion equation
7,318,689.84 : 10,099,519.02 = 4,221,340.14 : x - Step 2: Convert to fraction form
7,318,689.84/10,099,519.02 = 4,221,340.14/x - Step 3: Cross multiply
7,318,689.84x = 10,099,519.02 × 4,221,340.14 - Step 4: Simplify right side
7,318,689.84x = 42,633,505,033,819.46 - Step 5: Solve for x
x = 42,633,505,033,819.46/7,318,689.84 - Step 6: Final answer
x = 5,825,291.95
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1.5x scale
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.