Finding the Fourth Proportional to 7,771,550.28, 11,658,301.98 and 4,172,370.12
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Solution
The fourth proportional to 7,771,550.28, 11,658,301.98 and 4,172,370.12 is: 6,259,079.47
Step by Step Solution
- Step 1: Write the proportion equation
7,771,550.28 : 11,658,301.98 = 4,172,370.12 : x - Step 2: Convert to fraction form
7,771,550.28/11,658,301.98 = 4,172,370.12/x - Step 3: Cross multiply
7,771,550.28x = 11,658,301.98 × 4,172,370.12 - Step 4: Simplify right side
7,771,550.28x = 48,642,750,831,288.84 - Step 5: Solve for x
x = 48,642,750,831,288.84/7,771,550.28 - Step 6: Final answer
x = 6,259,079.47
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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.