Finding the Fourth Proportional to 12,830,869.60, 19,246,329.24 and 3,115,441.84
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Solution
The fourth proportional to 12,830,869.60, 19,246,329.24 and 3,115,441.84 is: 4,673,168.79
Step by Step Solution
- Step 1: Write the proportion equation
12,830,869.60 : 19,246,329.24 = 3,115,441.84 : x - Step 2: Convert to fraction form
12,830,869.60/19,246,329.24 = 3,115,441.84/x - Step 3: Cross multiply
12,830,869.60x = 19,246,329.24 × 3,115,441.84 - Step 4: Simplify right side
12,830,869.60x = 59,960,819,380,711.39 - Step 5: Solve for x
x = 59,960,819,380,711.39/12,830,869.60 - Step 6: Final answer
x = 4,673,168.79
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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.