Finding the Fourth Proportional to 15,176,782.64, 22,765,212.84 and 6,201,334.64
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Solution
The fourth proportional to 15,176,782.64, 22,765,212.84 and 6,201,334.64 is: 9,302,017.85
Step by Step Solution
- Step 1: Write the proportion equation
15,176,782.64 : 22,765,212.84 = 6,201,334.64 : x - Step 2: Convert to fraction form
15,176,782.64/22,765,212.84 = 6,201,334.64/x - Step 3: Cross multiply
15,176,782.64x = 22,765,212.84 × 6,201,334.64 - Step 4: Simplify right side
15,176,782.64x = 141,174,702,971,664.78 - Step 5: Solve for x
x = 141,174,702,971,664.78/15,176,782.64 - Step 6: Final answer
x = 9,302,017.85
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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.