Finding the Fourth Proportional to 13,842,038.42, 18,963,275.35 and 13,324,520.66
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Solution
The fourth proportional to 13,842,038.42, 18,963,275.35 and 13,324,520.66 is: 18,254,287.88
Step by Step Solution
- Step 1: Write the proportion equation
13,842,038.42 : 18,963,275.35 = 13,324,520.66 : x - Step 2: Convert to fraction form
13,842,038.42/18,963,275.35 = 13,324,520.66/x - Step 3: Cross multiply
13,842,038.42x = 18,963,275.35 × 13,324,520.66 - Step 4: Simplify right side
13,842,038.42x = 252,676,554,182,343.75 - Step 5: Solve for x
x = 252,676,554,182,343.75/13,842,038.42 - Step 6: Final answer
x = 18,254,287.88
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.