Finding the Fourth Proportional to 19,750,187.80, 27,254,197.86 and 10,929,251.80
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Solution
The fourth proportional to 19,750,187.80, 27,254,197.86 and 10,929,251.80 is: 15,081,780.19
Step by Step Solution
- Step 1: Write the proportion equation
19,750,187.80 : 27,254,197.86 = 10,929,251.80 : x - Step 2: Convert to fraction form
19,750,187.80/27,254,197.86 = 10,929,251.80/x - Step 3: Cross multiply
19,750,187.80x = 27,254,197.86 × 10,929,251.80 - Step 4: Simplify right side
19,750,187.80x = 297,867,991,018,961.19 - Step 5: Solve for x
x = 297,867,991,018,961.19/19,750,187.80 - Step 6: Final answer
x = 15,081,780.19
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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.