Finding the Fourth Proportional to 19,026,438.72, 26,256,351.36 and 10,324,390.08
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Solution
The fourth proportional to 19,026,438.72, 26,256,351.36 and 10,324,390.08 is: 14,247,585.56
Step by Step Solution
- Step 1: Write the proportion equation
19,026,438.72 : 26,256,351.36 = 10,324,390.08 : x - Step 2: Convert to fraction form
19,026,438.72/26,256,351.36 = 10,324,390.08/x - Step 3: Cross multiply
19,026,438.72x = 26,256,351.36 × 10,324,390.08 - Step 4: Simplify right side
19,026,438.72x = 271,080,813,518,178.50 - Step 5: Solve for x
x = 271,080,813,518,178.50/19,026,438.72 - Step 6: Final answer
x = 14,247,585.56
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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.