Finding the Fourth Proportional to 7,771,129.12, 11,658,041.52 and 2,379,652.48
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Solution
The fourth proportional to 7,771,129.12, 11,658,041.52 and 2,379,652.48 is: 3,569,891.45
Step by Step Solution
- Step 1: Write the proportion equation
7,771,129.12 : 11,658,041.52 = 2,379,652.48 : x - Step 2: Convert to fraction form
7,771,129.12/11,658,041.52 = 2,379,652.48/x - Step 3: Cross multiply
7,771,129.12x = 11,658,041.52 × 2,379,652.48 - Step 4: Simplify right side
7,771,129.12x = 27,742,087,415,010.97 - Step 5: Solve for x
x = 27,742,087,415,010.97/7,771,129.12 - Step 6: Final answer
x = 3,569,891.45
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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.