Finding the Fourth Proportional to 18,029,987.30, 24,878,629.76 and 10,186,637.42
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Solution
The fourth proportional to 18,029,987.30, 24,878,629.76 and 10,186,637.42 is: 14,056,004.40
Step by Step Solution
- Step 1: Write the proportion equation
18,029,987.30 : 24,878,629.76 = 10,186,637.42 : x - Step 2: Convert to fraction form
18,029,987.30/24,878,629.76 = 10,186,637.42/x - Step 3: Cross multiply
18,029,987.30x = 24,878,629.76 × 10,186,637.42 - Step 4: Simplify right side
18,029,987.30x = 253,429,580,871,541.62 - Step 5: Solve for x
x = 253,429,580,871,541.62/18,029,987.30 - Step 6: Final answer
x = 14,056,004.40
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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.