Finding the Fourth Proportional to 10,190,679.08, 15,295,595.58 and 5,336,469.63
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Solution
The fourth proportional to 10,190,679.08, 15,295,595.58 and 5,336,469.63 is: 8,009,719.54
Step by Step Solution
- Step 1: Write the proportion equation
10,190,679.08 : 15,295,595.58 = 5,336,469.63 : x - Step 2: Convert to fraction form
10,190,679.08/15,295,595.58 = 5,336,469.63/x - Step 3: Cross multiply
10,190,679.08x = 15,295,595.58 × 5,336,469.63 - Step 4: Simplify right side
10,190,679.08x = 81,624,481,285,432.23 - Step 5: Solve for x
x = 81,624,481,285,432.23/10,190,679.08 - Step 6: Final answer
x = 8,009,719.54
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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.