Finding the Fourth Proportional to 19,154,867.93, 26,434,279.20 and 10,453,599.99
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Solution
The fourth proportional to 19,154,867.93, 26,434,279.20 and 10,453,599.99 is: 14,426,274.40
Step by Step Solution
- Step 1: Write the proportion equation
19,154,867.93 : 26,434,279.20 = 10,453,599.99 : x - Step 2: Convert to fraction form
19,154,867.93/26,434,279.20 = 10,453,599.99/x - Step 3: Cross multiply
19,154,867.93x = 26,434,279.20 × 10,453,599.99 - Step 4: Simplify right side
19,154,867.93x = 276,333,380,780,777.22 - Step 5: Solve for x
x = 276,333,380,780,777.22/19,154,867.93 - Step 6: Final answer
x = 14,426,274.40
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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.