Finding the Fourth Proportional to 15,660,027.70, 23,490,041.55 and 15,660,027.70
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Solution
The fourth proportional to 15,660,027.70, 23,490,041.55 and 15,660,027.70 is: 23,490,041.55
Step by Step Solution
- Step 1: Write the proportion equation
15,660,027.70 : 23,490,041.55 = 15,660,027.70 : x - Step 2: Convert to fraction form
15,660,027.70/23,490,041.55 = 15,660,027.70/x - Step 3: Cross multiply
15,660,027.70x = 23,490,041.55 × 15,660,027.70 - Step 4: Simplify right side
15,660,027.70x = 367,854,701,347,150.94 - Step 5: Solve for x
x = 367,854,701,347,150.94/15,660,027.70 - Step 6: Final answer
x = 23,490,041.55
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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.