Finding the Fourth Proportional to 18,745,767.72, 28,120,867.74 and 6,612,699.96
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Solution
The fourth proportional to 18,745,767.72, 28,120,867.74 and 6,612,699.96 is: 9,919,831.71
Step by Step Solution
- Step 1: Write the proportion equation
18,745,767.72 : 28,120,867.74 = 6,612,699.96 : x - Step 2: Convert to fraction form
18,745,767.72/28,120,867.74 = 6,612,699.96/x - Step 3: Cross multiply
18,745,767.72x = 28,120,867.74 × 6,612,699.96 - Step 4: Simplify right side
18,745,767.72x = 185,954,860,979,463.28 - Step 5: Solve for x
x = 185,954,860,979,463.28/18,745,767.72 - Step 6: Final answer
x = 9,919,831.71
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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.