Finding the Fourth Proportional to 12,630,423.18, 18,942,736.98 and 3,533,164.74
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Solution
The fourth proportional to 12,630,423.18, 18,942,736.98 and 3,533,164.74 is: 5,298,936.50
Step by Step Solution
- Step 1: Write the proportion equation
12,630,423.18 : 18,942,736.98 = 3,533,164.74 : x - Step 2: Convert to fraction form
12,630,423.18/18,942,736.98 = 3,533,164.74/x - Step 3: Cross multiply
12,630,423.18x = 18,942,736.98 × 3,533,164.74 - Step 4: Simplify right side
12,630,423.18x = 66,927,810,376,830.09 - Step 5: Solve for x
x = 66,927,810,376,830.09/12,630,423.18 - Step 6: Final answer
x = 5,298,936.50
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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.