Finding the Fourth Proportional to 13,829,157.96, 19,083,737.76 and 7,634,071.68
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Solution
The fourth proportional to 13,829,157.96, 19,083,737.76 and 7,634,071.68 is: 10,534,742.78
Step by Step Solution
- Step 1: Write the proportion equation
13,829,157.96 : 19,083,737.76 = 7,634,071.68 : x - Step 2: Convert to fraction form
13,829,157.96/19,083,737.76 = 7,634,071.68/x - Step 3: Cross multiply
13,829,157.96x = 19,083,737.76 × 7,634,071.68 - Step 4: Simplify right side
13,829,157.96x = 145,686,621,982,162.66 - Step 5: Solve for x
x = 145,686,621,982,162.66/13,829,157.96 - Step 6: Final answer
x = 10,534,742.78
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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.