Finding the Fourth Proportional to 11,407,604.75, 15,742,494.56 and 6,578,708.75
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Solution
The fourth proportional to 11,407,604.75, 15,742,494.56 and 6,578,708.75 is: 9,078,618.08
Step by Step Solution
- Step 1: Write the proportion equation
11,407,604.75 : 15,742,494.56 = 6,578,708.75 : x - Step 2: Convert to fraction form
11,407,604.75/15,742,494.56 = 6,578,708.75/x - Step 3: Cross multiply
11,407,604.75x = 15,742,494.56 × 6,578,708.75 - Step 4: Simplify right side
11,407,604.75x = 103,565,286,708,699.41 - Step 5: Solve for x
x = 103,565,286,708,699.41/11,407,604.75 - Step 6: Final answer
x = 9,078,618.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.