Finding the Fourth Proportional to 19,481,632.92, 26,882,822.97 and 13,189,360.95
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Solution
The fourth proportional to 19,481,632.92, 26,882,822.97 and 13,189,360.95 is: 18,200,078.86
Step by Step Solution
- Step 1: Write the proportion equation
19,481,632.92 : 26,882,822.97 = 13,189,360.95 : x - Step 2: Convert to fraction form
19,481,632.92/26,882,822.97 = 13,189,360.95/x - Step 3: Cross multiply
19,481,632.92x = 26,882,822.97 × 13,189,360.95 - Step 4: Simplify right side
19,481,632.92x = 354,567,255,506,281 - Step 5: Solve for x
x = 354,567,255,506,281/19,481,632.92 - Step 6: Final answer
x = 18,200,078.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.