Finding the Fourth Proportional to 20,263,114.71, 27,963,058.14 and 10,970,682.24
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Solution
The fourth proportional to 20,263,114.71, 27,963,058.14 and 10,970,682.24 is: 15,139,519.75
Step by Step Solution
- Step 1: Write the proportion equation
20,263,114.71 : 27,963,058.14 = 10,970,682.24 : x - Step 2: Convert to fraction form
20,263,114.71/27,963,058.14 = 10,970,682.24/x - Step 3: Cross multiply
20,263,114.71x = 27,963,058.14 × 10,970,682.24 - Step 4: Simplify right side
20,263,114.71x = 306,773,825,312,585.44 - Step 5: Solve for x
x = 306,773,825,312,585.44/20,263,114.71 - Step 6: Final answer
x = 15,139,519.75
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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.