Finding the Fourth Proportional to 17,742,709.80, 26,607,843.90 and 9,220,213.80
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Solution
The fourth proportional to 17,742,709.80, 26,607,843.90 and 9,220,213.80 is: 13,827,087.99
Step by Step Solution
- Step 1: Write the proportion equation
17,742,709.80 : 26,607,843.90 = 9,220,213.80 : x - Step 2: Convert to fraction form
17,742,709.80/26,607,843.90 = 9,220,213.80/x - Step 3: Cross multiply
17,742,709.80x = 26,607,843.90 × 9,220,213.80 - Step 4: Simplify right side
17,742,709.80x = 245,330,009,515,025.81 - Step 5: Solve for x
x = 245,330,009,515,025.81/17,742,709.80 - Step 6: Final answer
x = 13,827,087.99
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1.5x scale
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.