Finding the Fourth Proportional to 14,479,975.92, 19,982,711.73 and 7,953,742.06
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Solution
The fourth proportional to 14,479,975.92, 19,982,711.73 and 7,953,742.06 is: 10,976,353.53
Step by Step Solution
- Step 1: Write the proportion equation
14,479,975.92 : 19,982,711.73 = 7,953,742.06 : x - Step 2: Convert to fraction form
14,479,975.92/19,982,711.73 = 7,953,742.06/x - Step 3: Cross multiply
14,479,975.92x = 19,982,711.73 × 7,953,742.06 - Step 4: Simplify right side
14,479,975.92x = 158,937,334,759,756.34 - Step 5: Solve for x
x = 158,937,334,759,756.34/14,479,975.92 - Step 6: Final answer
x = 10,976,353.53
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1.5x scale
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.