Finding the Fourth Proportional to 19,417,678.90, 26,806,471.68 and 14,184,811.19
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Solution
The fourth proportional to 19,417,678.90, 26,806,471.68 and 14,184,811.19 is: 19,582,399.19
Step by Step Solution
- Step 1: Write the proportion equation
19,417,678.90 : 26,806,471.68 = 14,184,811.19 : x - Step 2: Convert to fraction form
19,417,678.90/26,806,471.68 = 14,184,811.19/x - Step 3: Cross multiply
19,417,678.90x = 26,806,471.68 × 14,184,811.19 - Step 4: Simplify right side
19,417,678.90x = 380,244,739,517,898.31 - Step 5: Solve for x
x = 380,244,739,517,898.31/19,417,678.90 - Step 6: Final answer
x = 19,582,399.19
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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.