Finding the Fourth Proportional to 7,400,387.68, 11,101,777.89 and 2,281,619.41
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Solution
The fourth proportional to 7,400,387.68, 11,101,777.89 and 2,281,619.41 is: 3,422,797.97
Step by Step Solution
- Step 1: Write the proportion equation
7,400,387.68 : 11,101,777.89 = 2,281,619.41 : x - Step 2: Convert to fraction form
7,400,387.68/11,101,777.89 = 2,281,619.41/x - Step 3: Cross multiply
7,400,387.68x = 11,101,777.89 × 2,281,619.41 - Step 4: Simplify right side
7,400,387.68x = 25,330,031,919,332.85 - Step 5: Solve for x
x = 25,330,031,919,332.85/7,400,387.68 - Step 6: Final answer
x = 3,422,797.97
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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.