Finding the Fourth Proportional to 11,453,164.64, 15,804,427.20 and 6,742,810.88
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Solution
The fourth proportional to 11,453,164.64, 15,804,427.20 and 6,742,810.88 is: 9,304,525.61
Step by Step Solution
- Step 1: Write the proportion equation
11,453,164.64 : 15,804,427.20 = 6,742,810.88 : x - Step 2: Convert to fraction form
11,453,164.64/15,804,427.20 = 6,742,810.88/x - Step 3: Cross multiply
11,453,164.64x = 15,804,427.20 × 6,742,810.88 - Step 4: Simplify right side
11,453,164.64x = 106,566,263,676,327.92 - Step 5: Solve for x
x = 106,566,263,676,327.92/11,453,164.64 - Step 6: Final answer
x = 9,304,525.61
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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.