Finding the Fourth Proportional to 71,671,175.12, 107,507,156.28 and 17,818,487.12
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Solution
The fourth proportional to 71,671,175.12, 107,507,156.28 and 17,818,487.12 is: 26,727,828.53
Step by Step Solution
- Step 1: Write the proportion equation
71,671,175.12 : 107,507,156.28 = 17,818,487.12 : x - Step 2: Convert to fraction form
71,671,175.12/107,507,156.28 = 17,818,487.12/x - Step 3: Cross multiply
71,671,175.12x = 107,507,156.28 × 17,818,487.12 - Step 4: Simplify right side
71,671,175.12x = 1,915,614,879,483,007.25 - Step 5: Solve for x
x = 1,915,614,879,483,007.25/71,671,175.12 - Step 6: Final answer
x = 26,727,828.53
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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.