Finding the Fourth Proportional to 10,368,059.60, 15,552,089.40 and 8,226,549.20
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Solution
The fourth proportional to 10,368,059.60, 15,552,089.40 and 8,226,549.20 is: 12,339,823.80
Step by Step Solution
- Step 1: Write the proportion equation
10,368,059.60 : 15,552,089.40 = 8,226,549.20 : x - Step 2: Convert to fraction form
10,368,059.60/15,552,089.40 = 8,226,549.20/x - Step 3: Cross multiply
10,368,059.60x = 15,552,089.40 × 8,226,549.20 - Step 4: Simplify right side
10,368,059.60x = 127,940,028,611,898.48 - Step 5: Solve for x
x = 127,940,028,611,898.48/10,368,059.60 - Step 6: Final answer
x = 12,339,823.80
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Similar ratio
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1.5x scale
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.