Finding the Fourth Proportional to 19,791,036.23, 29,686,554.34 and 19,791,036.23
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Solution
The fourth proportional to 19,791,036.23, 29,686,554.34 and 19,791,036.23 is: 29,686,554.34
Step by Step Solution
- Step 1: Write the proportion equation
19,791,036.23 : 29,686,554.34 = 19,791,036.23 : x - Step 2: Convert to fraction form
19,791,036.23/29,686,554.34 = 19,791,036.23/x - Step 3: Cross multiply
19,791,036.23x = 29,686,554.34 × 19,791,036.23 - Step 4: Simplify right side
19,791,036.23x = 587,527,672,288,893.38 - Step 5: Solve for x
x = 587,527,672,288,893.38/19,791,036.23 - Step 6: Final answer
x = 29,686,554.34
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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.