Finding the Fourth Proportional to 13,901,819.08, 19,184,325.08 and 7,790,366.92
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Solution
The fourth proportional to 13,901,819.08, 19,184,325.08 and 7,790,366.92 is: 10,750,602.54
Step by Step Solution
- Step 1: Write the proportion equation
13,901,819.08 : 19,184,325.08 = 7,790,366.92 : x - Step 2: Convert to fraction form
13,901,819.08/19,184,325.08 = 7,790,366.92/x - Step 3: Cross multiply
13,901,819.08x = 19,184,325.08 × 7,790,366.92 - Step 4: Simplify right side
13,901,819.08x = 149,452,931,485,758.34 - Step 5: Solve for x
x = 149,452,931,485,758.34/13,901,819.08 - Step 6: Final answer
x = 10,750,602.54
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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.