Finding the Fourth Proportional to 14,447,626.32, 19,937,618.94 and 7,921,148.13
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Solution
The fourth proportional to 14,447,626.32, 19,937,618.94 and 7,921,148.13 is: 10,931,126.64
Step by Step Solution
- Step 1: Write the proportion equation
14,447,626.32 : 19,937,618.94 = 7,921,148.13 : x - Step 2: Convert to fraction form
14,447,626.32/19,937,618.94 = 7,921,148.13/x - Step 3: Cross multiply
14,447,626.32x = 19,937,618.94 × 7,921,148.13 - Step 4: Simplify right side
14,447,626.32x = 157,928,832,983,233.59 - Step 5: Solve for x
x = 157,928,832,983,233.59/14,447,626.32 - Step 6: Final answer
x = 10,931,126.64
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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.