Finding the Fourth Proportional to 19,474,504.28, 26,872,474.56 and 11,217,252.04
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Solution
The fourth proportional to 19,474,504.28, 26,872,474.56 and 11,217,252.04 is: 15,478,459.21
Step by Step Solution
- Step 1: Write the proportion equation
19,474,504.28 : 26,872,474.56 = 11,217,252.04 : x - Step 2: Convert to fraction form
19,474,504.28/26,872,474.56 = 11,217,252.04/x - Step 3: Cross multiply
19,474,504.28x = 26,872,474.56 × 11,217,252.04 - Step 4: Simplify right side
19,474,504.28x = 301,435,320,078,008.06 - Step 5: Solve for x
x = 301,435,320,078,008.06/19,474,504.28 - Step 6: Final answer
x = 15,478,459.21
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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.