Finding the Fourth Proportional to 19,237,042.40, 26,548,637.64 and 10,975,207.28
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Solution
The fourth proportional to 19,237,042.40, 26,548,637.64 and 10,975,207.28 is: 15,146,652.75
Step by Step Solution
- Step 1: Write the proportion equation
19,237,042.40 : 26,548,637.64 = 10,975,207.28 : x - Step 2: Convert to fraction form
19,237,042.40/26,548,637.64 = 10,975,207.28/x - Step 3: Cross multiply
19,237,042.40x = 26,548,637.64 × 10,975,207.28 - Step 4: Simplify right side
19,237,042.40x = 291,376,801,100,610 - Step 5: Solve for x
x = 291,376,801,100,610/19,237,042.40 - Step 6: Final answer
x = 15,146,652.75
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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.