Finding the Fourth Proportional to 7,477,569.92, 11,216,354.88 and 1,797,794.30
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Solution
The fourth proportional to 7,477,569.92, 11,216,354.88 and 1,797,794.30 is: 2,696,691.45
Step by Step Solution
- Step 1: Write the proportion equation
7,477,569.92 : 11,216,354.88 = 1,797,794.30 : x - Step 2: Convert to fraction form
7,477,569.92/11,216,354.88 = 1,797,794.30/x - Step 3: Cross multiply
7,477,569.92x = 11,216,354.88 × 1,797,794.30 - Step 4: Simplify right side
7,477,569.92x = 20,164,698,870,041.19 - Step 5: Solve for x
x = 20,164,698,870,041.19/7,477,569.92 - Step 6: Final answer
x = 2,696,691.45
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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.