Finding the Fourth Proportional to 19,598,601.64, 29,340,415.08 and 13,742,481.28
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Solution
The fourth proportional to 19,598,601.64, 29,340,415.08 and 13,742,481.28 is: 20,573,411.94
Step by Step Solution
- Step 1: Write the proportion equation
19,598,601.64 : 29,340,415.08 = 13,742,481.28 : x - Step 2: Convert to fraction form
19,598,601.64/29,340,415.08 = 13,742,481.28/x - Step 3: Cross multiply
19,598,601.64x = 29,340,415.08 × 13,742,481.28 - Step 4: Simplify right side
19,598,601.64x = 403,210,104,984,329.69 - Step 5: Solve for x
x = 403,210,104,984,329.69/19,598,601.64 - Step 6: Final answer
x = 20,573,411.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.