Finding the Fourth Proportional to 25,134,819.12, 34,686,082.80 and 14,269,803.12
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Solution
The fourth proportional to 25,134,819.12, 34,686,082.80 and 14,269,803.12 is: 19,692,346.71
Step by Step Solution
- Step 1: Write the proportion equation
25,134,819.12 : 34,686,082.80 = 14,269,803.12 : x - Step 2: Convert to fraction form
25,134,819.12/34,686,082.80 = 14,269,803.12/x - Step 3: Cross multiply
25,134,819.12x = 34,686,082.80 × 14,269,803.12 - Step 4: Simplify right side
25,134,819.12x = 494,963,572,560,018.25 - Step 5: Solve for x
x = 494,963,572,560,018.25/25,134,819.12 - Step 6: Final answer
x = 19,692,346.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.