Finding the Fourth Proportional to 10,419,746.87, 15,628,201.49 and 2,742,748.79
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Solution
The fourth proportional to 10,419,746.87, 15,628,201.49 and 2,742,748.79 is: 4,113,749.71
Step by Step Solution
- Step 1: Write the proportion equation
10,419,746.87 : 15,628,201.49 = 2,742,748.79 : x - Step 2: Convert to fraction form
10,419,746.87/15,628,201.49 = 2,742,748.79/x - Step 3: Cross multiply
10,419,746.87x = 15,628,201.49 × 2,742,748.79 - Step 4: Simplify right side
10,419,746.87x = 42,864,230,655,289.56 - Step 5: Solve for x
x = 42,864,230,655,289.56/10,419,746.87 - Step 6: Final answer
x = 4,113,749.71
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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.