Finding the Fourth Proportional to 42,986,412.08, 59,305,670.15 and 24,390,782.81
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Solution
The fourth proportional to 42,986,412.08, 59,305,670.15 and 24,390,782.81 is: 33,650,440.92
Step by Step Solution
- Step 1: Write the proportion equation
42,986,412.08 : 59,305,670.15 = 24,390,782.81 : x - Step 2: Convert to fraction form
42,986,412.08/59,305,670.15 = 24,390,782.81/x - Step 3: Cross multiply
42,986,412.08x = 59,305,670.15 × 24,390,782.81 - Step 4: Simplify right side
42,986,412.08x = 1,446,511,719,733,621.75 - Step 5: Solve for x
x = 1,446,511,719,733,621.75/42,986,412.08 - Step 6: Final answer
x = 33,650,440.92
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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.