Finding the Fourth Proportional to 11,028,041.60, 16,518,442.80 and 8,902,277.60
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Solution
The fourth proportional to 11,028,041.60, 16,518,442.80 and 8,902,277.60 is: 13,334,349.71
Step by Step Solution
- Step 1: Write the proportion equation
11,028,041.60 : 16,518,442.80 = 8,902,277.60 : x - Step 2: Convert to fraction form
11,028,041.60/16,518,442.80 = 8,902,277.60/x - Step 3: Cross multiply
11,028,041.60x = 16,518,442.80 × 8,902,277.60 - Step 4: Simplify right side
11,028,041.60x = 147,051,763,325,321.28 - Step 5: Solve for x
x = 147,051,763,325,321.28/11,028,041.60 - Step 6: Final answer
x = 13,334,349.71
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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.