Finding the Fourth Proportional to 21,334,134.20, 32,001,201.30 and 15,665,430.20
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Solution
The fourth proportional to 21,334,134.20, 32,001,201.30 and 15,665,430.20 is: 23,498,145.30
Step by Step Solution
- Step 1: Write the proportion equation
21,334,134.20 : 32,001,201.30 = 15,665,430.20 : x - Step 2: Convert to fraction form
21,334,134.20/32,001,201.30 = 15,665,430.20/x - Step 3: Cross multiply
21,334,134.20x = 32,001,201.30 × 15,665,430.20 - Step 4: Simplify right side
21,334,134.20x = 501,312,585,281,299.25 - Step 5: Solve for x
x = 501,312,585,281,299.25/21,334,134.20 - Step 6: Final answer
x = 23,498,145.30
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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.