Finding the Fourth Proportional to 19,742,722.96, 27,246,346.16 and 11,041,705.32
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Solution
The fourth proportional to 19,742,722.96, 27,246,346.16 and 11,041,705.32 is: 15,238,329.89
Step by Step Solution
- Step 1: Write the proportion equation
19,742,722.96 : 27,246,346.16 = 11,041,705.32 : x - Step 2: Convert to fraction form
19,742,722.96/27,246,346.16 = 11,041,705.32/x - Step 3: Cross multiply
19,742,722.96x = 27,246,346.16 × 11,041,705.32 - Step 4: Simplify right side
19,742,722.96x = 300,846,125,345,433.56 - Step 5: Solve for x
x = 300,846,125,345,433.56/19,742,722.96 - Step 6: Final answer
x = 15,238,329.89
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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.