Finding the Fourth Proportional to 12,258,164.16, 18,380,862.63 and 4,575,491.96
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Solution
The fourth proportional to 12,258,164.16, 18,380,862.63 and 4,575,491.96 is: 6,860,855.18
Step by Step Solution
- Step 1: Write the proportion equation
12,258,164.16 : 18,380,862.63 = 4,575,491.96 : x - Step 2: Convert to fraction form
12,258,164.16/18,380,862.63 = 4,575,491.96/x - Step 3: Cross multiply
12,258,164.16x = 18,380,862.63 × 4,575,491.96 - Step 4: Simplify right side
12,258,164.16x = 84,101,489,089,525.14 - Step 5: Solve for x
x = 84,101,489,089,525.14/12,258,164.16 - Step 6: Final answer
x = 6,860,855.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.