Finding the Fourth Proportional to 34,185,497.56, 47,175,997.50 and 18,716,564.44
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Solution
The fourth proportional to 34,185,497.56, 47,175,997.50 and 18,716,564.44 is: 25,828,864.88
Step by Step Solution
- Step 1: Write the proportion equation
34,185,497.56 : 47,175,997.50 = 18,716,564.44 : x - Step 2: Convert to fraction form
34,185,497.56/47,175,997.50 = 18,716,564.44/x - Step 3: Cross multiply
34,185,497.56x = 47,175,997.50 × 18,716,564.44 - Step 4: Simplify right side
34,185,497.56x = 882,972,597,230,029 - Step 5: Solve for x
x = 882,972,597,230,029/34,185,497.56 - Step 6: Final answer
x = 25,828,864.88
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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.