Finding the Fourth Proportional to 10,888,298.80, 16,332,448.20 and 8,368,874.80
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Solution
The fourth proportional to 10,888,298.80, 16,332,448.20 and 8,368,874.80 is: 12,553,312.20
Step by Step Solution
- Step 1: Write the proportion equation
10,888,298.80 : 16,332,448.20 = 8,368,874.80 : x - Step 2: Convert to fraction form
10,888,298.80/16,332,448.20 = 8,368,874.80/x - Step 3: Cross multiply
10,888,298.80x = 16,332,448.20 × 8,368,874.80 - Step 4: Simplify right side
10,888,298.80x = 136,684,214,163,285.34 - Step 5: Solve for x
x = 136,684,214,163,285.34/10,888,298.80 - Step 6: Final answer
x = 12,553,312.20
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1.5x scale
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.