Finding the Fourth Proportional to 19,509,199.86, 26,861,272.43 and 16,563,189.99
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Solution
The fourth proportional to 19,509,199.86, 26,861,272.43 and 16,563,189.99 is: 22,805,054.12
Step by Step Solution
- Step 1: Write the proportion equation
19,509,199.86 : 26,861,272.43 = 16,563,189.99 : x - Step 2: Convert to fraction form
19,509,199.86/26,861,272.43 = 16,563,189.99/x - Step 3: Cross multiply
19,509,199.86x = 26,861,272.43 × 16,563,189.99 - Step 4: Simplify right side
19,509,199.86x = 444,908,358,548,423.06 - Step 5: Solve for x
x = 444,908,358,548,423.06/19,509,199.86 - Step 6: Final answer
x = 22,805,054.12
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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.