Finding the Fourth Proportional to 19,671,512.48, 27,146,805.53 and 10,970,235.00
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Solution
The fourth proportional to 19,671,512.48, 27,146,805.53 and 10,970,235.00 is: 15,138,990.27
Step by Step Solution
- Step 1: Write the proportion equation
19,671,512.48 : 27,146,805.53 = 10,970,235.00 : x - Step 2: Convert to fraction form
19,671,512.48/27,146,805.53 = 10,970,235.00/x - Step 3: Cross multiply
19,671,512.48x = 27,146,805.53 × 10,970,235.00 - Step 4: Simplify right side
19,671,512.48x = 297,806,836,027,665.50 - Step 5: Solve for x
x = 297,806,836,027,665.50/19,671,512.48 - Step 6: Final answer
x = 15,138,990.27
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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.