Finding the Fourth Proportional to 12,350,987.60, 18,526,523.64 and 8,745,848.72
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Solution
The fourth proportional to 12,350,987.60, 18,526,523.64 and 8,745,848.72 is: 13,118,802.99
Step by Step Solution
- Step 1: Write the proportion equation
12,350,987.60 : 18,526,523.64 = 8,745,848.72 : x - Step 2: Convert to fraction form
12,350,987.60/18,526,523.64 = 8,745,848.72/x - Step 3: Cross multiply
12,350,987.60x = 18,526,523.64 × 8,745,848.72 - Step 4: Simplify right side
12,350,987.60x = 162,030,173,062,943.75 - Step 5: Solve for x
x = 162,030,173,062,943.75/12,350,987.60 - Step 6: Final answer
x = 13,118,802.99
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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.