Finding the Fourth Proportional to 5,316,742.08, 7,336,136.25 and 2,993,273.28
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Solution
The fourth proportional to 5,316,742.08, 7,336,136.25 and 2,993,273.28 is: 4,130,172.25
Step by Step Solution
- Step 1: Write the proportion equation
5,316,742.08 : 7,336,136.25 = 2,993,273.28 : x - Step 2: Convert to fraction form
5,316,742.08/7,336,136.25 = 2,993,273.28/x - Step 3: Cross multiply
5,316,742.08x = 7,336,136.25 × 2,993,273.28 - Step 4: Simplify right side
5,316,742.08x = 21,959,060,615,564.40 - Step 5: Solve for x
x = 21,959,060,615,564.40/5,316,742.08 - Step 6: Final answer
x = 4,130,172.25
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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.