Finding the Fourth Proportional to 17,902,057.05, 26,871,867.99 and 15,865,746.21
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Solution
The fourth proportional to 17,902,057.05, 26,871,867.99 and 15,865,746.21 is: 23,815,265.28
Step by Step Solution
- Step 1: Write the proportion equation
17,902,057.05 : 26,871,867.99 = 15,865,746.21 : x - Step 2: Convert to fraction form
17,902,057.05/26,871,867.99 = 15,865,746.21/x - Step 3: Cross multiply
17,902,057.05x = 26,871,867.99 × 15,865,746.21 - Step 4: Simplify right side
17,902,057.05x = 426,342,237,717,962.81 - Step 5: Solve for x
x = 426,342,237,717,962.81/17,902,057.05 - Step 6: Final answer
x = 23,815,265.28
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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.