Finding the Fourth Proportional to 13,762,304.30, 18,963,995.37 and 10,645,903.08
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Solution
The fourth proportional to 13,762,304.30, 18,963,995.37 and 10,645,903.08 is: 14,669,698.65
Step by Step Solution
- Step 1: Write the proportion equation
13,762,304.30 : 18,963,995.37 = 10,645,903.08 : x - Step 2: Convert to fraction form
13,762,304.30/18,963,995.37 = 10,645,903.08/x - Step 3: Cross multiply
13,762,304.30x = 18,963,995.37 × 10,645,903.08 - Step 4: Simplify right side
13,762,304.30x = 201,888,856,718,588.75 - Step 5: Solve for x
x = 201,888,856,718,588.75/13,762,304.30 - Step 6: Final answer
x = 14,669,698.65
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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.