Finding the Fourth Proportional to 27,579,282.38, 38,056,593.20 and 16,980,989.26
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Solution
The fourth proportional to 27,579,282.38, 38,056,593.20 and 16,980,989.26 is: 23,432,031.02
Step by Step Solution
- Step 1: Write the proportion equation
27,579,282.38 : 38,056,593.20 = 16,980,989.26 : x - Step 2: Convert to fraction form
27,579,282.38/38,056,593.20 = 16,980,989.26/x - Step 3: Cross multiply
27,579,282.38x = 38,056,593.20 × 16,980,989.26 - Step 4: Simplify right side
27,579,282.38x = 646,238,600,388,216.75 - Step 5: Solve for x
x = 646,238,600,388,216.75/27,579,282.38 - Step 6: Final answer
x = 23,432,031.02
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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.