Finding the Fourth Proportional to 17,943,649.08, 26,778,157.26 and 16,028,886.84
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Solution
The fourth proportional to 17,943,649.08, 26,778,157.26 and 16,028,886.84 is: 23,920,666.89
Step by Step Solution
- Step 1: Write the proportion equation
17,943,649.08 : 26,778,157.26 = 16,028,886.84 : x - Step 2: Convert to fraction form
17,943,649.08/26,778,157.26 = 16,028,886.84/x - Step 3: Cross multiply
17,943,649.08x = 26,778,157.26 × 16,028,886.84 - Step 4: Simplify right side
17,943,649.08x = 429,224,052,504,264.50 - Step 5: Solve for x
x = 429,224,052,504,264.50/17,943,649.08 - Step 6: Final answer
x = 23,920,666.89
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.