Finding the Fourth Proportional to 14,308,261.74, 19,750,537.67 and 8,507,029.68
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Solution
The fourth proportional to 14,308,261.74, 19,750,537.67 and 8,507,029.68 is: 11,742,754.86
Step by Step Solution
- Step 1: Write the proportion equation
14,308,261.74 : 19,750,537.67 = 8,507,029.68 : x - Step 2: Convert to fraction form
14,308,261.74/19,750,537.67 = 8,507,029.68/x - Step 3: Cross multiply
14,308,261.74x = 19,750,537.67 × 8,507,029.68 - Step 4: Simplify right side
14,308,261.74x = 168,018,410,112,112.88 - Step 5: Solve for x
x = 168,018,410,112,112.88/14,308,261.74 - Step 6: Final answer
x = 11,742,754.86
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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.