Finding the Fourth Proportional to 11,747,417.34, 17,621,975.28 and 4,917,121.09
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Solution
The fourth proportional to 11,747,417.34, 17,621,975.28 and 4,917,121.09 is: 7,376,037.11
Step by Step Solution
- Step 1: Write the proportion equation
11,747,417.34 : 17,621,975.28 = 4,917,121.09 : x - Step 2: Convert to fraction form
11,747,417.34/17,621,975.28 = 4,917,121.09/x - Step 3: Cross multiply
11,747,417.34x = 17,621,975.28 × 4,917,121.09 - Step 4: Simplify right side
11,747,417.34x = 86,649,386,296,746.66 - Step 5: Solve for x
x = 86,649,386,296,746.66/11,747,417.34 - Step 6: Final answer
x = 7,376,037.11
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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.