Finding the Fourth Proportional to 8,895,930.24, 12,277,007.68 and 5,028,483.12
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Solution
The fourth proportional to 8,895,930.24, 12,277,007.68 and 5,028,483.12 is: 6,939,659.40
Step by Step Solution
- Step 1: Write the proportion equation
8,895,930.24 : 12,277,007.68 = 5,028,483.12 : x - Step 2: Convert to fraction form
8,895,930.24/12,277,007.68 = 5,028,483.12/x - Step 3: Cross multiply
8,895,930.24x = 12,277,007.68 × 5,028,483.12 - Step 4: Simplify right side
8,895,930.24x = 61,734,725,882,990.36 - Step 5: Solve for x
x = 61,734,725,882,990.36/8,895,930.24 - Step 6: Final answer
x = 6,939,659.40
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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.