Finding the Fourth Proportional to 19,995,090.05, 27,594,076.44 and 11,174,541.06
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Solution
The fourth proportional to 19,995,090.05, 27,594,076.44 and 11,174,541.06 is: 15,421,342.92
Step by Step Solution
- Step 1: Write the proportion equation
19,995,090.05 : 27,594,076.44 = 11,174,541.06 : x - Step 2: Convert to fraction form
19,995,090.05/27,594,076.44 = 11,174,541.06/x - Step 3: Cross multiply
19,995,090.05x = 27,594,076.44 × 11,174,541.06 - Step 4: Simplify right side
19,995,090.05x = 308,351,140,336,941 - Step 5: Solve for x
x = 308,351,140,336,941/19,995,090.05 - Step 6: Final answer
x = 15,421,342.92
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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.