Finding the Fourth Proportional to 8,639,628.96, 12,959,268.48 and 2,249,739.84
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Solution
The fourth proportional to 8,639,628.96, 12,959,268.48 and 2,249,739.84 is: 3,374,564.20
Step by Step Solution
- Step 1: Write the proportion equation
8,639,628.96 : 12,959,268.48 = 2,249,739.84 : x - Step 2: Convert to fraction form
8,639,628.96/12,959,268.48 = 2,249,739.84/x - Step 3: Cross multiply
8,639,628.96x = 12,959,268.48 × 2,249,739.84 - Step 4: Simplify right side
8,639,628.96x = 29,154,982,596,712.24 - Step 5: Solve for x
x = 29,154,982,596,712.24/8,639,628.96 - Step 6: Final answer
x = 3,374,564.20
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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.