Finding the Fourth Proportional to 10,028,664, 15,048,973.44 and 3,639,415.68
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Solution
The fourth proportional to 10,028,664, 15,048,973.44 and 3,639,415.68 is: 5,461,292.74
Step by Step Solution
- Step 1: Write the proportion equation
10,028,664 : 15,048,973.44 = 3,639,415.68 : x - Step 2: Convert to fraction form
10,028,664/15,048,973.44 = 3,639,415.68/x - Step 3: Cross multiply
10,028,664x = 15,048,973.44 × 3,639,415.68 - Step 4: Simplify right side
10,028,664x = 54,769,469,905,439.54 - Step 5: Solve for x
x = 54,769,469,905,439.54/10,028,664 - Step 6: Final answer
x = 5,461,292.74
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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.