Finding the Fourth Proportional to 10,889,849.92, 15,028,255.36 and 6,539,119.68
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Solution
The fourth proportional to 10,889,849.92, 15,028,255.36 and 6,539,119.68 is: 9,024,142.77
Step by Step Solution
- Step 1: Write the proportion equation
10,889,849.92 : 15,028,255.36 = 6,539,119.68 : x - Step 2: Convert to fraction form
10,889,849.92/15,028,255.36 = 6,539,119.68/x - Step 3: Cross multiply
10,889,849.92x = 15,028,255.36 × 6,539,119.68 - Step 4: Simplify right side
10,889,849.92x = 98,271,560,380,641.47 - Step 5: Solve for x
x = 98,271,560,380,641.47/10,889,849.92 - Step 6: Final answer
x = 9,024,142.77
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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.