Finding the Fourth Proportional to 13,127,752.52, 18,121,263.45 and 9,873,963.48
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Solution
The fourth proportional to 13,127,752.52, 18,121,263.45 and 9,873,963.48 is: 13,629,803.99
Step by Step Solution
- Step 1: Write the proportion equation
13,127,752.52 : 18,121,263.45 = 9,873,963.48 : x - Step 2: Convert to fraction form
13,127,752.52/18,121,263.45 = 9,873,963.48/x - Step 3: Cross multiply
13,127,752.52x = 18,121,263.45 × 9,873,963.48 - Step 4: Simplify right side
13,127,752.52x = 178,928,693,603,227.25 - Step 5: Solve for x
x = 178,928,693,603,227.25/13,127,752.52 - Step 6: Final answer
x = 13,629,803.99
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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.