Finding the Fourth Proportional to 17,929,939.68, 24,743,285.46 and 9,781,177.68
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Solution
The fourth proportional to 17,929,939.68, 24,743,285.46 and 9,781,177.68 is: 13,498,008.12
Step by Step Solution
- Step 1: Write the proportion equation
17,929,939.68 : 24,743,285.46 = 9,781,177.68 : x - Step 2: Convert to fraction form
17,929,939.68/24,743,285.46 = 9,781,177.68/x - Step 3: Cross multiply
17,929,939.68x = 24,743,285.46 × 9,781,177.68 - Step 4: Simplify right side
17,929,939.68x = 242,018,471,471,220.53 - Step 5: Solve for x
x = 242,018,471,471,220.53/17,929,939.68 - Step 6: Final answer
x = 13,498,008.12
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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.