Finding the Fourth Proportional to 15,695,593.70, 21,923,442.70 and 15,695,593.70
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Solution
The fourth proportional to 15,695,593.70, 21,923,442.70 and 15,695,593.70 is: 21,923,442.70
Step by Step Solution
- Step 1: Write the proportion equation
15,695,593.70 : 21,923,442.70 = 15,695,593.70 : x - Step 2: Convert to fraction form
15,695,593.70/21,923,442.70 = 15,695,593.70/x - Step 3: Cross multiply
15,695,593.70x = 21,923,442.70 × 15,695,593.70 - Step 4: Simplify right side
15,695,593.70x = 344,101,449,124,430.94 - Step 5: Solve for x
x = 344,101,449,124,430.94/15,695,593.70 - Step 6: Final answer
x = 21,923,442.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.