Finding the Fourth Proportional to 8,454,246.84, 12,664,574.10 and 4,658,314.68
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Solution
The fourth proportional to 8,454,246.84, 12,664,574.10 and 4,658,314.68 is: 6,978,217.29
Step by Step Solution
- Step 1: Write the proportion equation
8,454,246.84 : 12,664,574.10 = 4,658,314.68 : x - Step 2: Convert to fraction form
8,454,246.84/12,664,574.10 = 4,658,314.68/x - Step 3: Cross multiply
8,454,246.84x = 12,664,574.10 × 4,658,314.68 - Step 4: Simplify right side
8,454,246.84x = 58,995,571,445,977.78 - Step 5: Solve for x
x = 58,995,571,445,977.78/8,454,246.84 - Step 6: Final answer
x = 6,978,217.29
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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.