Finding the Fourth Proportional to 42,471,650.72, 58,637,805.96 and 29,082,720.99
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Solution
The fourth proportional to 42,471,650.72, 58,637,805.96 and 29,082,720.99 is: 40,152,594.05
Step by Step Solution
- Step 1: Write the proportion equation
42,471,650.72 : 58,637,805.96 = 29,082,720.99 : x - Step 2: Convert to fraction form
42,471,650.72/58,637,805.96 = 29,082,720.99/x - Step 3: Cross multiply
42,471,650.72x = 58,637,805.96 × 29,082,720.99 - Step 4: Simplify right side
42,471,650.72x = 1,705,346,949,954,240.75 - Step 5: Solve for x
x = 1,705,346,949,954,240.75/42,471,650.72 - Step 6: Final answer
x = 40,152,594.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.