Finding the Fourth Proportional to 26,175,657.81, 39,226,735.53 and 20,686,619.73
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Solution
The fourth proportional to 26,175,657.81, 39,226,735.53 and 20,686,619.73 is: 31,000,885.14
Step by Step Solution
- Step 1: Write the proportion equation
26,175,657.81 : 39,226,735.53 = 20,686,619.73 : x - Step 2: Convert to fraction form
26,175,657.81/39,226,735.53 = 20,686,619.73/x - Step 3: Cross multiply
26,175,657.81x = 39,226,735.53 × 20,686,619.73 - Step 4: Simplify right side
26,175,657.81x = 811,468,561,158,390 - Step 5: Solve for x
x = 811,468,561,158,390/26,175,657.81 - Step 6: Final answer
x = 31,000,885.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.