Finding the Fourth Proportional to 8,455,026.72, 12,682,966.55 and 2,390,193.84
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Solution
The fourth proportional to 8,455,026.72, 12,682,966.55 and 2,390,193.84 is: 3,585,411.32
Step by Step Solution
- Step 1: Write the proportion equation
8,455,026.72 : 12,682,966.55 = 2,390,193.84 : x - Step 2: Convert to fraction form
8,455,026.72/12,682,966.55 = 2,390,193.84/x - Step 3: Cross multiply
8,455,026.72x = 12,682,966.55 × 2,390,193.84 - Step 4: Simplify right side
8,455,026.72x = 30,314,748,508,785.08 - Step 5: Solve for x
x = 30,314,748,508,785.08/8,455,026.72 - Step 6: Final answer
x = 3,585,411.32
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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.